77828940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3251}}^1$

素因数の和:3292

約数の個数: 144

約数和(自身を含む): 284094720

約数和(自身を除く): 206265780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3251, 3420, 3990, 4788, 5985, 6502, 7980, 9753, 11970, 13004, 16255, 19506, 22757, 23940, 29259, 32510, 39012, 45514, 48765, 58518, 61769, 65020, 68271, 91028, 97530, 113785, 117036, 123538, 136542, 146295, 185307, 195060, 204813, 227570, 247076, 273084, 292590, 308845, 341355, 370614, 409626, 432383, 455140, 555921, 585180, 617690, 682710, 741228, 819252, 864766, 926535, 1024065, 1111842, 1235380, 1297149, 1365420, 1729532, 1853070, 2048130, 2161915, 2223684, 2594298, 2779605, 3706140, 3891447, 4096260, 4323830, 5188596, 5559210, 6485745, 7782894, 8647660, 11118420, 12971490, 15565788, 19457235, 25942980, 38914470, 77828940]

約数ペア:

[(1, 77828940), (2, 38914470), (3, 25942980), (4, 19457235), (5, 15565788), (6, 12971490), (7, 11118420), (9, 8647660), (10, 7782894), (12, 6485745), (14, 5559210), (15, 5188596), (18, 4323830), (19, 4096260), (20, 3891447), (21, 3706140), (28, 2779605), (30, 2594298), (35, 2223684), (36, 2161915), (38, 2048130), (42, 1853070), (45, 1729532), (57, 1365420), (60, 1297149), (63, 1235380), (70, 1111842), (76, 1024065), (84, 926535), (90, 864766), (95, 819252), (105, 741228), (114, 682710), (126, 617690), (133, 585180), (140, 555921), (171, 455140), (180, 432383), (190, 409626), (210, 370614), (228, 341355), (252, 308845), (266, 292590), (285, 273084), (315, 247076), (342, 227570), (380, 204813), (399, 195060), (420, 185307), (532, 146295), (570, 136542), (630, 123538), (665, 117036), (684, 113785), (798, 97530), (855, 91028), (1140, 68271), (1197, 65020), (1260, 61769), (1330, 58518), (1596, 48765), (1710, 45514), (1995, 39012), (2394, 32510), (2660, 29259), (3251, 23940), (3420, 22757), (3990, 19506), (4788, 16255), (5985, 13004), (6502, 11970), (7980, 9753)]