87898640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:157

約数の個数: 120

約数和(自身を含む): 223819008

約数和(自身を除く): 135920368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 67, 80, 92, 115, 124, 134, 155, 184, 230, 248, 268, 310, 335, 368, 460, 496, 529, 536, 620, 670, 713, 920, 1058, 1072, 1240, 1340, 1426, 1541, 1840, 2077, 2116, 2480, 2645, 2680, 2852, 3082, 3565, 4154, 4232, 5290, 5360, 5704, 6164, 7130, 7705, 8308, 8464, 10385, 10580, 11408, 12328, 14260, 15410, 16399, 16616, 20770, 21160, 24656, 28520, 30820, 32798, 33232, 35443, 41540, 42320, 47771, 57040, 61640, 65596, 70886, 81995, 83080, 95542, 123280, 131192, 141772, 163990, 166160, 177215, 191084, 238855, 262384, 283544, 327980, 354430, 382168, 477710, 567088, 655960, 708860, 764336, 955420, 1098733, 1311920, 1417720, 1910840, 2197466, 2835440, 3821680, 4394932, 5493665, 8789864, 10987330, 17579728, 21974660, 43949320, 87898640]

約数ペア:

[(1, 87898640), (2, 43949320), (4, 21974660), (5, 17579728), (8, 10987330), (10, 8789864), (16, 5493665), (20, 4394932), (23, 3821680), (31, 2835440), (40, 2197466), (46, 1910840), (62, 1417720), (67, 1311920), (80, 1098733), (92, 955420), (115, 764336), (124, 708860), (134, 655960), (155, 567088), (184, 477710), (230, 382168), (248, 354430), (268, 327980), (310, 283544), (335, 262384), (368, 238855), (460, 191084), (496, 177215), (529, 166160), (536, 163990), (620, 141772), (670, 131192), (713, 123280), (920, 95542), (1058, 83080), (1072, 81995), (1240, 70886), (1340, 65596), (1426, 61640), (1541, 57040), (1840, 47771), (2077, 42320), (2116, 41540), (2480, 35443), (2645, 33232), (2680, 32798), (2852, 30820), (3082, 28520), (3565, 24656), (4154, 21160), (4232, 20770), (5290, 16616), (5360, 16399), (5704, 15410), (6164, 14260), (7130, 12328), (7705, 11408), (8308, 10580), (8464, 10385)]