87021480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{613}}^1$

素因数の和:660

約数の個数: 192

約数和(自身を含む): 323602560

約数和(自身を除く): 236581080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 169, 182, 195, 210, 260, 273, 280, 312, 338, 364, 390, 420, 455, 507, 520, 546, 613, 676, 728, 780, 840, 845, 910, 1014, 1092, 1183, 1226, 1352, 1365, 1560, 1690, 1820, 1839, 2028, 2184, 2366, 2452, 2535, 2730, 3065, 3380, 3549, 3640, 3678, 4056, 4291, 4732, 4904, 5070, 5460, 5915, 6130, 6760, 7098, 7356, 7969, 8582, 9195, 9464, 10140, 10920, 11830, 12260, 12873, 14196, 14712, 15938, 17164, 17745, 18390, 20280, 21455, 23660, 23907, 24520, 25746, 28392, 31876, 34328, 35490, 36780, 39845, 42910, 47320, 47814, 51492, 55783, 63752, 64365, 70980, 73560, 79690, 85820, 95628, 102984, 103597, 111566, 119535, 128730, 141960, 159380, 167349, 171640, 191256, 207194, 223132, 239070, 257460, 278915, 310791, 318760, 334698, 414388, 446264, 478140, 514920, 517985, 557830, 621582, 669396, 725179, 828776, 836745, 956280, 1035970, 1115660, 1243164, 1338792, 1450358, 1553955, 1673490, 2071940, 2175537, 2231320, 2486328, 2900716, 3107910, 3346980, 3625895, 4143880, 4351074, 5801432, 6215820, 6693960, 7251790, 8702148, 10877685, 12431640, 14503580, 17404296, 21755370, 29007160, 43510740, 87021480]

約数ペア:

[(1, 87021480), (2, 43510740), (3, 29007160), (4, 21755370), (5, 17404296), (6, 14503580), (7, 12431640), (8, 10877685), (10, 8702148), (12, 7251790), (13, 6693960), (14, 6215820), (15, 5801432), (20, 4351074), (21, 4143880), (24, 3625895), (26, 3346980), (28, 3107910), (30, 2900716), (35, 2486328), (39, 2231320), (40, 2175537), (42, 2071940), (52, 1673490), (56, 1553955), (60, 1450358), (65, 1338792), (70, 1243164), (78, 1115660), (84, 1035970), (91, 956280), (104, 836745), (105, 828776), (120, 725179), (130, 669396), (140, 621582), (156, 557830), (168, 517985), (169, 514920), (182, 478140), (195, 446264), (210, 414388), (260, 334698), (273, 318760), (280, 310791), (312, 278915), (338, 257460), (364, 239070), (390, 223132), (420, 207194), (455, 191256), (507, 171640), (520, 167349), (546, 159380), (613, 141960), (676, 128730), (728, 119535), (780, 111566), (840, 103597), (845, 102984), (910, 95628), (1014, 85820), (1092, 79690), (1183, 73560), (1226, 70980), (1352, 64365), (1365, 63752), (1560, 55783), (1690, 51492), (1820, 47814), (1839, 47320), (2028, 42910), (2184, 39845), (2366, 36780), (2452, 35490), (2535, 34328), (2730, 31876), (3065, 28392), (3380, 25746), (3549, 24520), (3640, 23907), (3678, 23660), (4056, 21455), (4291, 20280), (4732, 18390), (4904, 17745), (5070, 17164), (5460, 15938), (5915, 14712), (6130, 14196), (6760, 12873), (7098, 12260), (7356, 11830), (7969, 10920), (8582, 10140), (9195, 9464)]