2581569680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{82531}}^1$

素因数の和:82584

約数の個数: 80

約数和(自身を含む): 6631611264

約数和(自身を除く): 4050041584

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 272, 340, 368, 391, 460, 680, 782, 920, 1360, 1564, 1840, 1955, 3128, 3910, 6256, 7820, 15640, 31280, 82531, 165062, 330124, 412655, 660248, 825310, 1320496, 1403027, 1650620, 1898213, 2806054, 3301240, 3796426, 5612108, 6602480, 7015135, 7592852, 9491065, 11224216, 14030270, 15185704, 18982130, 22448432, 28060540, 30371408, 32269621, 37964260, 56121080, 64539242, 75928520, 112242160, 129078484, 151857040, 161348105, 258156968, 322696210, 516313936, 645392420, 1290784840, 2581569680]

約数ペア:

[(1, 2581569680), (2, 1290784840), (4, 645392420), (5, 516313936), (8, 322696210), (10, 258156968), (16, 161348105), (17, 151857040), (20, 129078484), (23, 112242160), (34, 75928520), (40, 64539242), (46, 56121080), (68, 37964260), (80, 32269621), (85, 30371408), (92, 28060540), (115, 22448432), (136, 18982130), (170, 15185704), (184, 14030270), (230, 11224216), (272, 9491065), (340, 7592852), (368, 7015135), (391, 6602480), (460, 5612108), (680, 3796426), (782, 3301240), (920, 2806054), (1360, 1898213), (1564, 1650620), (1840, 1403027), (1955, 1320496), (3128, 825310), (3910, 660248), (6256, 412655), (7820, 330124), (15640, 165062), (31280, 82531)]