65585880

素因数分解:

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

素因数の和:218

約数の個数: 144

約数和(自身を含む): 224948880

約数和(自身を除く): 159363000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 89, 90, 92, 115, 120, 138, 178, 180, 184, 207, 230, 267, 276, 345, 356, 360, 414, 445, 460, 534, 552, 690, 712, 801, 828, 890, 920, 1035, 1068, 1335, 1380, 1602, 1656, 1780, 2047, 2070, 2136, 2670, 2760, 3204, 3560, 4005, 4094, 4140, 5340, 6141, 6408, 7921, 8010, 8188, 8280, 10235, 10680, 12282, 15842, 16020, 16376, 18423, 20470, 23763, 24564, 30705, 31684, 32040, 36846, 39605, 40940, 47526, 49128, 61410, 63368, 71289, 73692, 79210, 81880, 92115, 95052, 118815, 122820, 142578, 147384, 158420, 182183, 184230, 190104, 237630, 245640, 285156, 316840, 356445, 364366, 368460, 475260, 546549, 570312, 712890, 728732, 736920, 910915, 950520, 1093098, 1425780, 1457464, 1639647, 1821830, 2186196, 2732745, 2851560, 3279294, 3643660, 4372392, 5465490, 6558588, 7287320, 8198235, 10930980, 13117176, 16396470, 21861960, 32792940, 65585880]

約数ペア:

[(1, 65585880), (2, 32792940), (3, 21861960), (4, 16396470), (5, 13117176), (6, 10930980), (8, 8198235), (9, 7287320), (10, 6558588), (12, 5465490), (15, 4372392), (18, 3643660), (20, 3279294), (23, 2851560), (24, 2732745), (30, 2186196), (36, 1821830), (40, 1639647), (45, 1457464), (46, 1425780), (60, 1093098), (69, 950520), (72, 910915), (89, 736920), (90, 728732), (92, 712890), (115, 570312), (120, 546549), (138, 475260), (178, 368460), (180, 364366), (184, 356445), (207, 316840), (230, 285156), (267, 245640), (276, 237630), (345, 190104), (356, 184230), (360, 182183), (414, 158420), (445, 147384), (460, 142578), (534, 122820), (552, 118815), (690, 95052), (712, 92115), (801, 81880), (828, 79210), (890, 73692), (920, 71289), (1035, 63368), (1068, 61410), (1335, 49128), (1380, 47526), (1602, 40940), (1656, 39605), (1780, 36846), (2047, 32040), (2070, 31684), (2136, 30705), (2670, 24564), (2760, 23763), (3204, 20470), (3560, 18423), (4005, 16376), (4094, 16020), (4140, 15842), (5340, 12282), (6141, 10680), (6408, 10235), (7921, 8280), (8010, 8188)]