2784007980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{1289}}^1$

素因数の和:1401

約数の個数: 216

約数和(自身を含む): 9280383840

約数和(自身を除く): 6496375860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 71, 78, 90, 117, 130, 142, 156, 169, 180, 195, 213, 234, 260, 284, 338, 355, 390, 426, 468, 507, 585, 639, 676, 710, 780, 845, 852, 923, 1014, 1065, 1170, 1278, 1289, 1420, 1521, 1690, 1846, 2028, 2130, 2340, 2535, 2556, 2578, 2769, 3042, 3195, 3380, 3692, 3867, 4260, 4615, 5070, 5156, 5538, 6084, 6390, 6445, 7605, 7734, 8307, 9230, 10140, 11076, 11601, 11999, 12780, 12890, 13845, 15210, 15468, 16614, 16757, 18460, 19335, 23202, 23998, 25780, 27690, 30420, 33228, 33514, 35997, 38670, 41535, 46404, 47996, 50271, 55380, 58005, 59995, 67028, 71994, 77340, 83070, 83785, 91519, 100542, 107991, 116010, 119990, 143988, 150813, 166140, 167570, 179985, 183038, 201084, 215982, 217841, 232020, 239980, 251355, 274557, 301626, 335140, 359970, 366076, 431964, 435682, 457595, 502710, 539955, 549114, 603252, 653523, 719940, 754065, 823671, 871364, 915190, 1005420, 1079910, 1089205, 1098228, 1189747, 1307046, 1372785, 1508130, 1647342, 1830380, 1960569, 2159820, 2178410, 2379494, 2614092, 2745570, 3016260, 3267615, 3294684, 3569241, 3921138, 4118355, 4356820, 4758988, 5491140, 5948735, 6535230, 7138482, 7842276, 8236710, 9802845, 10707723, 11897470, 13070460, 14276964, 15466711, 16473420, 17846205, 19605690, 21415446, 23794940, 30933422, 35692410, 39211380, 42830892, 46400133, 53538615, 61866844, 71384820, 77333555, 92800266, 107077230, 139200399, 154667110, 185600532, 214154460, 232000665, 278400798, 309334220, 464001330, 556801596, 696001995, 928002660, 1392003990, 2784007980]

約数ペア:

[(1, 2784007980), (2, 1392003990), (3, 928002660), (4, 696001995), (5, 556801596), (6, 464001330), (9, 309334220), (10, 278400798), (12, 232000665), (13, 214154460), (15, 185600532), (18, 154667110), (20, 139200399), (26, 107077230), (30, 92800266), (36, 77333555), (39, 71384820), (45, 61866844), (52, 53538615), (60, 46400133), (65, 42830892), (71, 39211380), (78, 35692410), (90, 30933422), (117, 23794940), (130, 21415446), (142, 19605690), (156, 17846205), (169, 16473420), (180, 15466711), (195, 14276964), (213, 13070460), (234, 11897470), (260, 10707723), (284, 9802845), (338, 8236710), (355, 7842276), (390, 7138482), (426, 6535230), (468, 5948735), (507, 5491140), (585, 4758988), (639, 4356820), (676, 4118355), (710, 3921138), (780, 3569241), (845, 3294684), (852, 3267615), (923, 3016260), (1014, 2745570), (1065, 2614092), (1170, 2379494), (1278, 2178410), (1289, 2159820), (1420, 1960569), (1521, 1830380), (1690, 1647342), (1846, 1508130), (2028, 1372785), (2130, 1307046), (2340, 1189747), (2535, 1098228), (2556, 1089205), (2578, 1079910), (2769, 1005420), (3042, 915190), (3195, 871364), (3380, 823671), (3692, 754065), (3867, 719940), (4260, 653523), (4615, 603252), (5070, 549114), (5156, 539955), (5538, 502710), (6084, 457595), (6390, 435682), (6445, 431964), (7605, 366076), (7734, 359970), (8307, 335140), (9230, 301626), (10140, 274557), (11076, 251355), (11601, 239980), (11999, 232020), (12780, 217841), (12890, 215982), (13845, 201084), (15210, 183038), (15468, 179985), (16614, 167570), (16757, 166140), (18460, 150813), (19335, 143988), (23202, 119990), (23998, 116010), (25780, 107991), (27690, 100542), (30420, 91519), (33228, 83785), (33514, 83070), (35997, 77340), (38670, 71994), (41535, 67028), (46404, 59995), (47996, 58005), (50271, 55380)]