87447840

素因数分解:

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

素因数の和:219

約数の個数: 144

約数和(自身を含む): 290703168

約数和(自身を除く): 203255328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 89, 92, 96, 115, 120, 138, 160, 178, 184, 230, 240, 267, 276, 345, 356, 368, 445, 460, 480, 534, 552, 690, 712, 736, 890, 920, 1068, 1104, 1335, 1380, 1424, 1780, 1840, 2047, 2136, 2208, 2670, 2760, 2848, 3560, 3680, 4094, 4272, 5340, 5520, 6141, 7120, 7921, 8188, 8544, 10235, 10680, 11040, 12282, 14240, 15842, 16376, 20470, 21360, 23763, 24564, 30705, 31684, 32752, 39605, 40940, 42720, 47526, 49128, 61410, 63368, 65504, 79210, 81880, 95052, 98256, 118815, 122820, 126736, 158420, 163760, 182183, 190104, 196512, 237630, 245640, 253472, 316840, 327520, 364366, 380208, 475260, 491280, 546549, 633680, 728732, 760416, 910915, 950520, 982560, 1093098, 1267360, 1457464, 1821830, 1901040, 2186196, 2732745, 2914928, 3643660, 3802080, 4372392, 5465490, 5829856, 7287320, 8744784, 10930980, 14574640, 17489568, 21861960, 29149280, 43723920, 87447840]

約数ペア:

[(1, 87447840), (2, 43723920), (3, 29149280), (4, 21861960), (5, 17489568), (6, 14574640), (8, 10930980), (10, 8744784), (12, 7287320), (15, 5829856), (16, 5465490), (20, 4372392), (23, 3802080), (24, 3643660), (30, 2914928), (32, 2732745), (40, 2186196), (46, 1901040), (48, 1821830), (60, 1457464), (69, 1267360), (80, 1093098), (89, 982560), (92, 950520), (96, 910915), (115, 760416), (120, 728732), (138, 633680), (160, 546549), (178, 491280), (184, 475260), (230, 380208), (240, 364366), (267, 327520), (276, 316840), (345, 253472), (356, 245640), (368, 237630), (445, 196512), (460, 190104), (480, 182183), (534, 163760), (552, 158420), (690, 126736), (712, 122820), (736, 118815), (890, 98256), (920, 95052), (1068, 81880), (1104, 79210), (1335, 65504), (1380, 63368), (1424, 61410), (1780, 49128), (1840, 47526), (2047, 42720), (2136, 40940), (2208, 39605), (2670, 32752), (2760, 31684), (2848, 30705), (3560, 24564), (3680, 23763), (4094, 21360), (4272, 20470), (5340, 16376), (5520, 15842), (6141, 14240), (7120, 12282), (7921, 11040), (8188, 10680), (8544, 10235)]