978238480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{23203}}^1$

素因数の和:23264

約数の個数: 80

約数和(自身を含む): 2485983744

約数和(自身を除く): 1507745264

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2480, 2635, 4216, 5270, 8432, 10540, 21080, 23203, 42160, 46406, 92812, 116015, 185624, 232030, 371248, 394451, 464060, 719293, 788902, 928120, 1438586, 1577804, 1856240, 1972255, 2877172, 3155608, 3596465, 3944510, 5754344, 6311216, 7192930, 7889020, 11508688, 12227981, 14385860, 15778040, 24455962, 28771720, 31556080, 48911924, 57543440, 61139905, 97823848, 122279810, 195647696, 244559620, 489119240, 978238480]

約数ペア:

[(1, 978238480), (2, 489119240), (4, 244559620), (5, 195647696), (8, 122279810), (10, 97823848), (16, 61139905), (17, 57543440), (20, 48911924), (31, 31556080), (34, 28771720), (40, 24455962), (62, 15778040), (68, 14385860), (80, 12227981), (85, 11508688), (124, 7889020), (136, 7192930), (155, 6311216), (170, 5754344), (248, 3944510), (272, 3596465), (310, 3155608), (340, 2877172), (496, 1972255), (527, 1856240), (620, 1577804), (680, 1438586), (1054, 928120), (1240, 788902), (1360, 719293), (2108, 464060), (2480, 394451), (2635, 371248), (4216, 232030), (5270, 185624), (8432, 116015), (10540, 92812), (21080, 46406), (23203, 42160)]