1799839980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{607}}^1$

素因数の和:678

約数の個数: 288

約数和(自身を含む): 6271641600

約数和(自身を除く): 4471801620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 27, 30, 34, 36, 38, 45, 51, 54, 57, 60, 68, 76, 85, 90, 95, 102, 108, 114, 135, 153, 170, 171, 180, 190, 204, 228, 255, 270, 285, 289, 306, 323, 340, 342, 380, 459, 510, 513, 540, 570, 578, 607, 612, 646, 684, 765, 855, 867, 918, 969, 1020, 1026, 1140, 1156, 1214, 1292, 1445, 1530, 1615, 1710, 1734, 1821, 1836, 1938, 2052, 2295, 2428, 2565, 2601, 2890, 2907, 3035, 3060, 3230, 3420, 3468, 3642, 3876, 4335, 4590, 4845, 5130, 5202, 5463, 5491, 5780, 5814, 6070, 6460, 7284, 7803, 8670, 8721, 9105, 9180, 9690, 10260, 10319, 10404, 10926, 10982, 11533, 11628, 12140, 13005, 14535, 15606, 16389, 16473, 17340, 17442, 18210, 19380, 20638, 21852, 21964, 23066, 26010, 27315, 27455, 29070, 30957, 31212, 32778, 32946, 34599, 34884, 36420, 39015, 41276, 43605, 46132, 49419, 51595, 52020, 54630, 54910, 57665, 58140, 61914, 65556, 65892, 69198, 78030, 81945, 82365, 87210, 92871, 98838, 103190, 103797, 109260, 109820, 115330, 123828, 138396, 148257, 154785, 156060, 163890, 164730, 172995, 174420, 175423, 185742, 196061, 197676, 206380, 207594, 230660, 247095, 278613, 296514, 309570, 311391, 327780, 329460, 345990, 350846, 371484, 392122, 415188, 464355, 494190, 518985, 526269, 557226, 588183, 593028, 619140, 622782, 691980, 701692, 741285, 784244, 877115, 928710, 980305, 988380, 1037970, 1052538, 1114452, 1176366, 1245564, 1393065, 1482570, 1556955, 1578807, 1754230, 1764549, 1857420, 1960610, 2075940, 2105076, 2352732, 2631345, 2786130, 2940915, 2965140, 3113910, 3157614, 3333037, 3508460, 3529098, 3921220, 4736421, 5262690, 5293647, 5572260, 5881830, 6227820, 6315228, 6666074, 7058196, 7894035, 8822745, 9472842, 9999111, 10525380, 10587294, 11763660, 13332148, 15788070, 16665185, 17645490, 18945684, 19998222, 21174588, 23682105, 26468235, 29997333, 31576140, 33330370, 35290980, 39996444, 47364210, 49995555, 52936470, 59994666, 66660740, 89991999, 94728420, 99991110, 105872940, 119989332, 149986665, 179983998, 199982220, 299973330, 359967996, 449959995, 599946660, 899919990, 1799839980]

約数ペア:

[(1, 1799839980), (2, 899919990), (3, 599946660), (4, 449959995), (5, 359967996), (6, 299973330), (9, 199982220), (10, 179983998), (12, 149986665), (15, 119989332), (17, 105872940), (18, 99991110), (19, 94728420), (20, 89991999), (27, 66660740), (30, 59994666), (34, 52936470), (36, 49995555), (38, 47364210), (45, 39996444), (51, 35290980), (54, 33330370), (57, 31576140), (60, 29997333), (68, 26468235), (76, 23682105), (85, 21174588), (90, 19998222), (95, 18945684), (102, 17645490), (108, 16665185), (114, 15788070), (135, 13332148), (153, 11763660), (170, 10587294), (171, 10525380), (180, 9999111), (190, 9472842), (204, 8822745), (228, 7894035), (255, 7058196), (270, 6666074), (285, 6315228), (289, 6227820), (306, 5881830), (323, 5572260), (340, 5293647), (342, 5262690), (380, 4736421), (459, 3921220), (510, 3529098), (513, 3508460), (540, 3333037), (570, 3157614), (578, 3113910), (607, 2965140), (612, 2940915), (646, 2786130), (684, 2631345), (765, 2352732), (855, 2105076), (867, 2075940), (918, 1960610), (969, 1857420), (1020, 1764549), (1026, 1754230), (1140, 1578807), (1156, 1556955), (1214, 1482570), (1292, 1393065), (1445, 1245564), (1530, 1176366), (1615, 1114452), (1710, 1052538), (1734, 1037970), (1821, 988380), (1836, 980305), (1938, 928710), (2052, 877115), (2295, 784244), (2428, 741285), (2565, 701692), (2601, 691980), (2890, 622782), (2907, 619140), (3035, 593028), (3060, 588183), (3230, 557226), (3420, 526269), (3468, 518985), (3642, 494190), (3876, 464355), (4335, 415188), (4590, 392122), (4845, 371484), (5130, 350846), (5202, 345990), (5463, 329460), (5491, 327780), (5780, 311391), (5814, 309570), (6070, 296514), (6460, 278613), (7284, 247095), (7803, 230660), (8670, 207594), (8721, 206380), (9105, 197676), (9180, 196061), (9690, 185742), (10260, 175423), (10319, 174420), (10404, 172995), (10926, 164730), (10982, 163890), (11533, 156060), (11628, 154785), (12140, 148257), (13005, 138396), (14535, 123828), (15606, 115330), (16389, 109820), (16473, 109260), (17340, 103797), (17442, 103190), (18210, 98838), (19380, 92871), (20638, 87210), (21852, 82365), (21964, 81945), (23066, 78030), (26010, 69198), (27315, 65892), (27455, 65556), (29070, 61914), (30957, 58140), (31212, 57665), (32778, 54910), (32946, 54630), (34599, 52020), (34884, 51595), (36420, 49419), (39015, 46132), (41276, 43605)]