74405940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{613}}^1$

素因数の和:666

約数の個数: 144

約数和(自身を含む): 253341312

約数和(自身を除く): 178935372

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 289, 340, 357, 420, 476, 510, 578, 595, 613, 714, 867, 1020, 1156, 1190, 1226, 1428, 1445, 1734, 1785, 1839, 2023, 2380, 2452, 2890, 3065, 3468, 3570, 3678, 4046, 4291, 4335, 5780, 6069, 6130, 7140, 7356, 8092, 8582, 8670, 9195, 10115, 10421, 12138, 12260, 12873, 17164, 17340, 18390, 20230, 20842, 21455, 24276, 25746, 30345, 31263, 36780, 40460, 41684, 42910, 51492, 52105, 60690, 62526, 64365, 72947, 85820, 104210, 121380, 125052, 128730, 145894, 156315, 177157, 208420, 218841, 257460, 291788, 312630, 354314, 364735, 437682, 531471, 625260, 708628, 729470, 875364, 885785, 1062942, 1094205, 1240099, 1458940, 1771570, 2125884, 2188410, 2480198, 2657355, 3543140, 3720297, 4376820, 4960396, 5314710, 6200495, 7440594, 10629420, 12400990, 14881188, 18601485, 24801980, 37202970, 74405940]

約数ペア:

[(1, 74405940), (2, 37202970), (3, 24801980), (4, 18601485), (5, 14881188), (6, 12400990), (7, 10629420), (10, 7440594), (12, 6200495), (14, 5314710), (15, 4960396), (17, 4376820), (20, 3720297), (21, 3543140), (28, 2657355), (30, 2480198), (34, 2188410), (35, 2125884), (42, 1771570), (51, 1458940), (60, 1240099), (68, 1094205), (70, 1062942), (84, 885785), (85, 875364), (102, 729470), (105, 708628), (119, 625260), (140, 531471), (170, 437682), (204, 364735), (210, 354314), (238, 312630), (255, 291788), (289, 257460), (340, 218841), (357, 208420), (420, 177157), (476, 156315), (510, 145894), (578, 128730), (595, 125052), (613, 121380), (714, 104210), (867, 85820), (1020, 72947), (1156, 64365), (1190, 62526), (1226, 60690), (1428, 52105), (1445, 51492), (1734, 42910), (1785, 41684), (1839, 40460), (2023, 36780), (2380, 31263), (2452, 30345), (2890, 25746), (3065, 24276), (3468, 21455), (3570, 20842), (3678, 20230), (4046, 18390), (4291, 17340), (4335, 17164), (5780, 12873), (6069, 12260), (6130, 12138), (7140, 10421), (7356, 10115), (8092, 9195), (8582, 8670)]