1645209680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{39023}}^1$

素因数の和:39084

約数の個数: 80

約数和(自身を含む): 4180875264

約数和(自身を除く): 2535665584

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, 39023, 42160, 78046, 156092, 195115, 312184, 390230, 624368, 663391, 780460, 1209713, 1326782, 1560920, 2419426, 2653564, 3121840, 3316955, 4838852, 5307128, 6048565, 6633910, 9677704, 10614256, 12097130, 13267820, 19355408, 20565121, 24194260, 26535640, 41130242, 48388520, 53071280, 82260484, 96777040, 102825605, 164520968, 205651210, 329041936, 411302420, 822604840, 1645209680]

約数ペア:

[(1, 1645209680), (2, 822604840), (4, 411302420), (5, 329041936), (8, 205651210), (10, 164520968), (16, 102825605), (17, 96777040), (20, 82260484), (31, 53071280), (34, 48388520), (40, 41130242), (62, 26535640), (68, 24194260), (80, 20565121), (85, 19355408), (124, 13267820), (136, 12097130), (155, 10614256), (170, 9677704), (248, 6633910), (272, 6048565), (310, 5307128), (340, 4838852), (496, 3316955), (527, 3121840), (620, 2653564), (680, 2419426), (1054, 1560920), (1240, 1326782), (1360, 1209713), (2108, 780460), (2480, 663391), (2635, 624368), (4216, 390230), (5270, 312184), (8432, 195115), (10540, 156092), (21080, 78046), (39023, 42160)]