78365520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3511}}^1$

素因数の和:3561

約数の個数: 120

約数和(自身を含む): 271744512

約数和(自身を除く): 193378992

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3511, 3720, 4464, 5580, 7022, 7440, 10533, 11160, 14044, 17555, 21066, 22320, 28088, 31599, 35110, 42132, 52665, 56176, 63198, 70220, 84264, 105330, 108841, 126396, 140440, 157995, 168528, 210660, 217682, 252792, 280880, 315990, 326523, 421320, 435364, 505584, 544205, 631980, 653046, 842640, 870728, 979569, 1088410, 1263960, 1306092, 1632615, 1741456, 1959138, 2176820, 2527920, 2612184, 3265230, 3918276, 4353640, 4897845, 5224368, 6530460, 7836552, 8707280, 9795690, 13060920, 15673104, 19591380, 26121840, 39182760, 78365520]

約数ペア:

[(1, 78365520), (2, 39182760), (3, 26121840), (4, 19591380), (5, 15673104), (6, 13060920), (8, 9795690), (9, 8707280), (10, 7836552), (12, 6530460), (15, 5224368), (16, 4897845), (18, 4353640), (20, 3918276), (24, 3265230), (30, 2612184), (31, 2527920), (36, 2176820), (40, 1959138), (45, 1741456), (48, 1632615), (60, 1306092), (62, 1263960), (72, 1088410), (80, 979569), (90, 870728), (93, 842640), (120, 653046), (124, 631980), (144, 544205), (155, 505584), (180, 435364), (186, 421320), (240, 326523), (248, 315990), (279, 280880), (310, 252792), (360, 217682), (372, 210660), (465, 168528), (496, 157995), (558, 140440), (620, 126396), (720, 108841), (744, 105330), (930, 84264), (1116, 70220), (1240, 63198), (1395, 56176), (1488, 52665), (1860, 42132), (2232, 35110), (2480, 31599), (2790, 28088), (3511, 22320), (3720, 21066), (4464, 17555), (5580, 14044), (7022, 11160), (7440, 10533)]