87570660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 267563520

約数和(自身を除く): 179992860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 31, 46, 60, 62, 69, 89, 92, 93, 115, 124, 138, 155, 178, 186, 230, 267, 276, 310, 345, 356, 372, 445, 460, 465, 529, 534, 620, 690, 713, 890, 930, 1058, 1068, 1335, 1380, 1426, 1587, 1780, 1860, 2047, 2116, 2139, 2645, 2670, 2759, 2852, 3174, 3565, 4094, 4278, 5290, 5340, 5518, 6141, 6348, 7130, 7935, 8188, 8277, 8556, 10235, 10580, 10695, 11036, 12282, 13795, 14260, 15870, 16399, 16554, 20470, 21390, 24564, 27590, 30705, 31740, 32798, 33108, 40940, 41385, 42780, 47081, 49197, 55180, 61410, 63457, 65596, 81995, 82770, 94162, 98394, 122820, 126914, 141243, 163990, 165540, 188324, 190371, 196788, 235405, 245985, 253828, 282486, 317285, 327980, 380742, 470810, 491970, 564972, 634570, 706215, 761484, 941620, 951855, 983940, 1269140, 1412430, 1459511, 1903710, 2824860, 2919022, 3807420, 4378533, 5838044, 7297555, 8757066, 14595110, 17514132, 21892665, 29190220, 43785330, 87570660]

約数ペア:

[(1, 87570660), (2, 43785330), (3, 29190220), (4, 21892665), (5, 17514132), (6, 14595110), (10, 8757066), (12, 7297555), (15, 5838044), (20, 4378533), (23, 3807420), (30, 2919022), (31, 2824860), (46, 1903710), (60, 1459511), (62, 1412430), (69, 1269140), (89, 983940), (92, 951855), (93, 941620), (115, 761484), (124, 706215), (138, 634570), (155, 564972), (178, 491970), (186, 470810), (230, 380742), (267, 327980), (276, 317285), (310, 282486), (345, 253828), (356, 245985), (372, 235405), (445, 196788), (460, 190371), (465, 188324), (529, 165540), (534, 163990), (620, 141243), (690, 126914), (713, 122820), (890, 98394), (930, 94162), (1058, 82770), (1068, 81995), (1335, 65596), (1380, 63457), (1426, 61410), (1587, 55180), (1780, 49197), (1860, 47081), (2047, 42780), (2116, 41385), (2139, 40940), (2645, 33108), (2670, 32798), (2759, 31740), (2852, 30705), (3174, 27590), (3565, 24564), (4094, 21390), (4278, 20470), (5290, 16554), (5340, 16399), (5518, 15870), (6141, 14260), (6348, 13795), (7130, 12282), (7935, 11036), (8188, 10695), (8277, 10580), (8556, 10235)]