81927840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:263

約数の個数: 192

約数和(自身を含む): 277385472

約数和(自身を除く): 195457632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 41, 46, 48, 60, 69, 80, 82, 92, 96, 115, 120, 123, 138, 160, 164, 181, 184, 205, 230, 240, 246, 276, 328, 345, 362, 368, 410, 460, 480, 492, 543, 552, 615, 656, 690, 724, 736, 820, 905, 920, 943, 984, 1086, 1104, 1230, 1312, 1380, 1448, 1640, 1810, 1840, 1886, 1968, 2172, 2208, 2460, 2715, 2760, 2829, 2896, 3280, 3620, 3680, 3772, 3936, 4163, 4344, 4715, 4920, 5430, 5520, 5658, 5792, 6560, 7240, 7421, 7544, 8326, 8688, 9430, 9840, 10860, 11040, 11316, 12489, 14145, 14480, 14842, 15088, 16652, 17376, 18860, 19680, 20815, 21720, 22263, 22632, 24978, 28290, 28960, 29684, 30176, 33304, 37105, 37720, 41630, 43440, 44526, 45264, 49956, 56580, 59368, 62445, 66608, 74210, 75440, 83260, 86880, 89052, 90528, 99912, 111315, 113160, 118736, 124890, 133216, 148420, 150880, 166520, 170683, 178104, 199824, 222630, 226320, 237472, 249780, 296840, 333040, 341366, 356208, 399648, 445260, 452640, 499560, 512049, 593680, 666080, 682732, 712416, 853415, 890520, 999120, 1024098, 1187360, 1365464, 1706830, 1781040, 1998240, 2048196, 2560245, 2730928, 3413660, 3562080, 4096392, 5120490, 5461856, 6827320, 8192784, 10240980, 13654640, 16385568, 20481960, 27309280, 40963920, 81927840]

約数ペア:

[(1, 81927840), (2, 40963920), (3, 27309280), (4, 20481960), (5, 16385568), (6, 13654640), (8, 10240980), (10, 8192784), (12, 6827320), (15, 5461856), (16, 5120490), (20, 4096392), (23, 3562080), (24, 3413660), (30, 2730928), (32, 2560245), (40, 2048196), (41, 1998240), (46, 1781040), (48, 1706830), (60, 1365464), (69, 1187360), (80, 1024098), (82, 999120), (92, 890520), (96, 853415), (115, 712416), (120, 682732), (123, 666080), (138, 593680), (160, 512049), (164, 499560), (181, 452640), (184, 445260), (205, 399648), (230, 356208), (240, 341366), (246, 333040), (276, 296840), (328, 249780), (345, 237472), (362, 226320), (368, 222630), (410, 199824), (460, 178104), (480, 170683), (492, 166520), (543, 150880), (552, 148420), (615, 133216), (656, 124890), (690, 118736), (724, 113160), (736, 111315), (820, 99912), (905, 90528), (920, 89052), (943, 86880), (984, 83260), (1086, 75440), (1104, 74210), (1230, 66608), (1312, 62445), (1380, 59368), (1448, 56580), (1640, 49956), (1810, 45264), (1840, 44526), (1886, 43440), (1968, 41630), (2172, 37720), (2208, 37105), (2460, 33304), (2715, 30176), (2760, 29684), (2829, 28960), (2896, 28290), (3280, 24978), (3620, 22632), (3680, 22263), (3772, 21720), (3936, 20815), (4163, 19680), (4344, 18860), (4715, 17376), (4920, 16652), (5430, 15088), (5520, 14842), (5658, 14480), (5792, 14145), (6560, 12489), (7240, 11316), (7421, 11040), (7544, 10860), (8326, 9840), (8688, 9430)]