78047460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:314

約数の個数: 144

約数和(自身を含む): 249080832

約数和(自身を除く): 171033372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 71, 90, 93, 124, 142, 155, 180, 186, 197, 213, 279, 284, 310, 355, 372, 394, 426, 465, 558, 591, 620, 639, 710, 788, 852, 930, 985, 1065, 1116, 1182, 1278, 1395, 1420, 1773, 1860, 1970, 2130, 2201, 2364, 2556, 2790, 2955, 3195, 3546, 3940, 4260, 4402, 5580, 5910, 6107, 6390, 6603, 7092, 8804, 8865, 11005, 11820, 12214, 12780, 13206, 13987, 17730, 18321, 19809, 22010, 24428, 26412, 27974, 30535, 33015, 35460, 36642, 39618, 41961, 44020, 54963, 55948, 61070, 66030, 69935, 73284, 79236, 83922, 91605, 99045, 109926, 122140, 125883, 132060, 139870, 167844, 183210, 198090, 209805, 219852, 251766, 274815, 279740, 366420, 396180, 419610, 433597, 503532, 549630, 629415, 839220, 867194, 1099260, 1258830, 1300791, 1734388, 2167985, 2517660, 2601582, 3902373, 4335970, 5203164, 6503955, 7804746, 8671940, 13007910, 15609492, 19511865, 26015820, 39023730, 78047460]

約数ペア:

[(1, 78047460), (2, 39023730), (3, 26015820), (4, 19511865), (5, 15609492), (6, 13007910), (9, 8671940), (10, 7804746), (12, 6503955), (15, 5203164), (18, 4335970), (20, 3902373), (30, 2601582), (31, 2517660), (36, 2167985), (45, 1734388), (60, 1300791), (62, 1258830), (71, 1099260), (90, 867194), (93, 839220), (124, 629415), (142, 549630), (155, 503532), (180, 433597), (186, 419610), (197, 396180), (213, 366420), (279, 279740), (284, 274815), (310, 251766), (355, 219852), (372, 209805), (394, 198090), (426, 183210), (465, 167844), (558, 139870), (591, 132060), (620, 125883), (639, 122140), (710, 109926), (788, 99045), (852, 91605), (930, 83922), (985, 79236), (1065, 73284), (1116, 69935), (1182, 66030), (1278, 61070), (1395, 55948), (1420, 54963), (1773, 44020), (1860, 41961), (1970, 39618), (2130, 36642), (2201, 35460), (2364, 33015), (2556, 30535), (2790, 27974), (2955, 26412), (3195, 24428), (3546, 22010), (3940, 19809), (4260, 18321), (4402, 17730), (5580, 13987), (5910, 13206), (6107, 12780), (6390, 12214), (6603, 11820), (7092, 11005), (8804, 8865)]