17940985020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{1999}}^1$

素因数の和:2457

約数の個数: 288

約数和(自身を含む): 66044160000

約数和(自身を除く): 48103174980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 419, 420, 476, 510, 595, 612, 630, 714, 765, 838, 1020, 1071, 1190, 1257, 1260, 1428, 1530, 1676, 1785, 1999, 2095, 2142, 2380, 2514, 2933, 3060, 3570, 3771, 3998, 4190, 4284, 5028, 5355, 5866, 5997, 6285, 7123, 7140, 7542, 7996, 8380, 8799, 9995, 10710, 11732, 11994, 12570, 13993, 14246, 14665, 15084, 17598, 17991, 18855, 19990, 21369, 21420, 23988, 25140, 26397, 27986, 28492, 29330, 29985, 33983, 35196, 35615, 35982, 37710, 39980, 41979, 42738, 43995, 49861, 52794, 55972, 58660, 59970, 64107, 67966, 69965, 71230, 71964, 75420, 83958, 85476, 87990, 89955, 99722, 101949, 105588, 106845, 119940, 125937, 128214, 131985, 135932, 139930, 142460, 149583, 167916, 169915, 175980, 179910, 199444, 203898, 209895, 213690, 237881, 249305, 251874, 256428, 263970, 279860, 299166, 305847, 320535, 339830, 359820, 407796, 419790, 427380, 448749, 475762, 498610, 503748, 509745, 527940, 598332, 611694, 629685, 641070, 679660, 713643, 747915, 837581, 839580, 897498, 951524, 997220, 1019490, 1189405, 1223388, 1259370, 1282140, 1427286, 1495830, 1529235, 1675162, 1794996, 2038980, 2140929, 2243745, 2378810, 2512743, 2518740, 2854572, 2991660, 3058470, 3350324, 3568215, 4187905, 4281858, 4487490, 4757620, 5025486, 5863067, 6116940, 7136430, 7538229, 8375810, 8563716, 8974980, 10050972, 10704645, 11726134, 12563715, 14238877, 14272860, 15076458, 16751620, 17589201, 21409290, 23452268, 25127430, 28477754, 29315335, 30152916, 35178402, 37691145, 42716631, 42818580, 50254860, 52767603, 56955508, 58630670, 70356804, 71194385, 75382290, 85433262, 87946005, 99672139, 105535206, 117261340, 128149893, 142388770, 150764580, 170866524, 175892010, 199344278, 211070412, 213583155, 256299786, 263838015, 284777540, 299016417, 351784020, 398688556, 427166310, 498360695, 512599572, 527676030, 598032834, 640749465, 854332620, 897049251, 996721390, 1055352060, 1196065668, 1281498930, 1495082085, 1794098502, 1993442780, 2562997860, 2990164170, 3588197004, 4485246255, 5980328340, 8970492510, 17940985020]

約数ペア:

[(1, 17940985020), (2, 8970492510), (3, 5980328340), (4, 4485246255), (5, 3588197004), (6, 2990164170), (7, 2562997860), (9, 1993442780), (10, 1794098502), (12, 1495082085), (14, 1281498930), (15, 1196065668), (17, 1055352060), (18, 996721390), (20, 897049251), (21, 854332620), (28, 640749465), (30, 598032834), (34, 527676030), (35, 512599572), (36, 498360695), (42, 427166310), (45, 398688556), (51, 351784020), (60, 299016417), (63, 284777540), (68, 263838015), (70, 256299786), (84, 213583155), (85, 211070412), (90, 199344278), (102, 175892010), (105, 170866524), (119, 150764580), (126, 142388770), (140, 128149893), (153, 117261340), (170, 105535206), (180, 99672139), (204, 87946005), (210, 85433262), (238, 75382290), (252, 71194385), (255, 70356804), (306, 58630670), (315, 56955508), (340, 52767603), (357, 50254860), (419, 42818580), (420, 42716631), (476, 37691145), (510, 35178402), (595, 30152916), (612, 29315335), (630, 28477754), (714, 25127430), (765, 23452268), (838, 21409290), (1020, 17589201), (1071, 16751620), (1190, 15076458), (1257, 14272860), (1260, 14238877), (1428, 12563715), (1530, 11726134), (1676, 10704645), (1785, 10050972), (1999, 8974980), (2095, 8563716), (2142, 8375810), (2380, 7538229), (2514, 7136430), (2933, 6116940), (3060, 5863067), (3570, 5025486), (3771, 4757620), (3998, 4487490), (4190, 4281858), (4284, 4187905), (5028, 3568215), (5355, 3350324), (5866, 3058470), (5997, 2991660), (6285, 2854572), (7123, 2518740), (7140, 2512743), (7542, 2378810), (7996, 2243745), (8380, 2140929), (8799, 2038980), (9995, 1794996), (10710, 1675162), (11732, 1529235), (11994, 1495830), (12570, 1427286), (13993, 1282140), (14246, 1259370), (14665, 1223388), (15084, 1189405), (17598, 1019490), (17991, 997220), (18855, 951524), (19990, 897498), (21369, 839580), (21420, 837581), (23988, 747915), (25140, 713643), (26397, 679660), (27986, 641070), (28492, 629685), (29330, 611694), (29985, 598332), (33983, 527940), (35196, 509745), (35615, 503748), (35982, 498610), (37710, 475762), (39980, 448749), (41979, 427380), (42738, 419790), (43995, 407796), (49861, 359820), (52794, 339830), (55972, 320535), (58660, 305847), (59970, 299166), (64107, 279860), (67966, 263970), (69965, 256428), (71230, 251874), (71964, 249305), (75420, 237881), (83958, 213690), (85476, 209895), (87990, 203898), (89955, 199444), (99722, 179910), (101949, 175980), (105588, 169915), (106845, 167916), (119940, 149583), (125937, 142460), (128214, 139930), (131985, 135932)]