90770480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2153}}^1$

素因数の和:2214

約数の個数: 80

約数和(自身を含む): 230770944

約数和(自身を除く): 140000464

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, 2153, 2480, 2635, 4216, 4306, 5270, 8432, 8612, 10540, 10765, 17224, 21080, 21530, 34448, 36601, 42160, 43060, 66743, 73202, 86120, 133486, 146404, 172240, 183005, 266972, 292808, 333715, 366010, 533944, 585616, 667430, 732020, 1067888, 1134631, 1334860, 1464040, 2269262, 2669720, 2928080, 4538524, 5339440, 5673155, 9077048, 11346310, 18154096, 22692620, 45385240, 90770480]

約数ペア:

[(1, 90770480), (2, 45385240), (4, 22692620), (5, 18154096), (8, 11346310), (10, 9077048), (16, 5673155), (17, 5339440), (20, 4538524), (31, 2928080), (34, 2669720), (40, 2269262), (62, 1464040), (68, 1334860), (80, 1134631), (85, 1067888), (124, 732020), (136, 667430), (155, 585616), (170, 533944), (248, 366010), (272, 333715), (310, 292808), (340, 266972), (496, 183005), (527, 172240), (620, 146404), (680, 133486), (1054, 86120), (1240, 73202), (1360, 66743), (2108, 43060), (2153, 42160), (2480, 36601), (2635, 34448), (4216, 21530), (4306, 21080), (5270, 17224), (8432, 10765), (8612, 10540)]