1638523920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{3319}}^1$

素因数の和:3374

約数の個数: 240

約数和(自身を含む): 5913371520

約数和(自身を除く): 4274847600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 33, 34, 40, 44, 48, 51, 55, 60, 66, 68, 80, 85, 88, 102, 110, 120, 121, 132, 136, 165, 170, 176, 187, 204, 220, 240, 242, 255, 264, 272, 330, 340, 363, 374, 408, 440, 484, 510, 528, 561, 605, 660, 680, 726, 748, 816, 880, 935, 968, 1020, 1122, 1210, 1320, 1360, 1452, 1496, 1815, 1870, 1936, 2040, 2057, 2244, 2420, 2640, 2805, 2904, 2992, 3319, 3630, 3740, 4080, 4114, 4488, 4840, 5610, 5808, 6171, 6638, 7260, 7480, 8228, 8976, 9680, 9957, 10285, 11220, 12342, 13276, 14520, 14960, 16456, 16595, 19914, 20570, 22440, 24684, 26552, 29040, 30855, 32912, 33190, 36509, 39828, 41140, 44880, 49368, 49785, 53104, 56423, 61710, 66380, 73018, 79656, 82280, 98736, 99570, 109527, 112846, 123420, 132760, 146036, 159312, 164560, 169269, 182545, 199140, 219054, 225692, 246840, 265520, 282115, 292072, 338538, 365090, 398280, 401599, 438108, 451384, 493680, 547635, 564230, 584144, 620653, 677076, 730180, 796560, 803198, 846345, 876216, 902768, 1095270, 1128460, 1204797, 1241306, 1354152, 1460360, 1606396, 1692690, 1752432, 1861959, 2007995, 2190540, 2256920, 2409594, 2482612, 2708304, 2920720, 3103265, 3212792, 3385380, 3723918, 4015990, 4381080, 4513840, 4819188, 4965224, 6023985, 6206530, 6425584, 6770760, 6827183, 7447836, 8031980, 8762160, 9309795, 9638376, 9930448, 12047970, 12413060, 13541520, 13654366, 14895672, 16063960, 18619590, 19276752, 20481549, 24095940, 24826120, 27308732, 29791344, 32127920, 34135915, 37239180, 40963098, 48191880, 49652240, 54617464, 68271830, 74478360, 81926196, 96383760, 102407745, 109234928, 136543660, 148956720, 163852392, 204815490, 273087320, 327704784, 409630980, 546174640, 819261960, 1638523920]

約数ペア:

[(1, 1638523920), (2, 819261960), (3, 546174640), (4, 409630980), (5, 327704784), (6, 273087320), (8, 204815490), (10, 163852392), (11, 148956720), (12, 136543660), (15, 109234928), (16, 102407745), (17, 96383760), (20, 81926196), (22, 74478360), (24, 68271830), (30, 54617464), (33, 49652240), (34, 48191880), (40, 40963098), (44, 37239180), (48, 34135915), (51, 32127920), (55, 29791344), (60, 27308732), (66, 24826120), (68, 24095940), (80, 20481549), (85, 19276752), (88, 18619590), (102, 16063960), (110, 14895672), (120, 13654366), (121, 13541520), (132, 12413060), (136, 12047970), (165, 9930448), (170, 9638376), (176, 9309795), (187, 8762160), (204, 8031980), (220, 7447836), (240, 6827183), (242, 6770760), (255, 6425584), (264, 6206530), (272, 6023985), (330, 4965224), (340, 4819188), (363, 4513840), (374, 4381080), (408, 4015990), (440, 3723918), (484, 3385380), (510, 3212792), (528, 3103265), (561, 2920720), (605, 2708304), (660, 2482612), (680, 2409594), (726, 2256920), (748, 2190540), (816, 2007995), (880, 1861959), (935, 1752432), (968, 1692690), (1020, 1606396), (1122, 1460360), (1210, 1354152), (1320, 1241306), (1360, 1204797), (1452, 1128460), (1496, 1095270), (1815, 902768), (1870, 876216), (1936, 846345), (2040, 803198), (2057, 796560), (2244, 730180), (2420, 677076), (2640, 620653), (2805, 584144), (2904, 564230), (2992, 547635), (3319, 493680), (3630, 451384), (3740, 438108), (4080, 401599), (4114, 398280), (4488, 365090), (4840, 338538), (5610, 292072), (5808, 282115), (6171, 265520), (6638, 246840), (7260, 225692), (7480, 219054), (8228, 199140), (8976, 182545), (9680, 169269), (9957, 164560), (10285, 159312), (11220, 146036), (12342, 132760), (13276, 123420), (14520, 112846), (14960, 109527), (16456, 99570), (16595, 98736), (19914, 82280), (20570, 79656), (22440, 73018), (24684, 66380), (26552, 61710), (29040, 56423), (30855, 53104), (32912, 49785), (33190, 49368), (36509, 44880), (39828, 41140)]