25325520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:261

約数の個数: 160

約数和(自身を含む): 87744384

約数和(自身を除く): 62418864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 53, 55, 60, 66, 80, 88, 106, 110, 120, 132, 159, 165, 176, 181, 212, 220, 240, 264, 265, 318, 330, 362, 424, 440, 528, 530, 543, 583, 636, 660, 724, 795, 848, 880, 905, 1060, 1086, 1166, 1272, 1320, 1448, 1590, 1749, 1810, 1991, 2120, 2172, 2332, 2544, 2640, 2715, 2896, 2915, 3180, 3498, 3620, 3982, 4240, 4344, 4664, 5430, 5830, 5973, 6360, 6996, 7240, 7964, 8688, 8745, 9328, 9593, 9955, 10860, 11660, 11946, 12720, 13992, 14480, 15928, 17490, 19186, 19910, 21720, 23320, 23892, 27984, 28779, 29865, 31856, 34980, 38372, 39820, 43440, 46640, 47784, 47965, 57558, 59730, 69960, 76744, 79640, 95568, 95930, 105523, 115116, 119460, 139920, 143895, 153488, 159280, 191860, 211046, 230232, 238920, 287790, 316569, 383720, 422092, 460464, 477840, 527615, 575580, 633138, 767440, 844184, 1055230, 1151160, 1266276, 1582845, 1688368, 2110460, 2302320, 2532552, 3165690, 4220920, 5065104, 6331380, 8441840, 12662760, 25325520]

約数ペア:

[(1, 25325520), (2, 12662760), (3, 8441840), (4, 6331380), (5, 5065104), (6, 4220920), (8, 3165690), (10, 2532552), (11, 2302320), (12, 2110460), (15, 1688368), (16, 1582845), (20, 1266276), (22, 1151160), (24, 1055230), (30, 844184), (33, 767440), (40, 633138), (44, 575580), (48, 527615), (53, 477840), (55, 460464), (60, 422092), (66, 383720), (80, 316569), (88, 287790), (106, 238920), (110, 230232), (120, 211046), (132, 191860), (159, 159280), (165, 153488), (176, 143895), (181, 139920), (212, 119460), (220, 115116), (240, 105523), (264, 95930), (265, 95568), (318, 79640), (330, 76744), (362, 69960), (424, 59730), (440, 57558), (528, 47965), (530, 47784), (543, 46640), (583, 43440), (636, 39820), (660, 38372), (724, 34980), (795, 31856), (848, 29865), (880, 28779), (905, 27984), (1060, 23892), (1086, 23320), (1166, 21720), (1272, 19910), (1320, 19186), (1448, 17490), (1590, 15928), (1749, 14480), (1810, 13992), (1991, 12720), (2120, 11946), (2172, 11660), (2332, 10860), (2544, 9955), (2640, 9593), (2715, 9328), (2896, 8745), (2915, 8688), (3180, 7964), (3498, 7240), (3620, 6996), (3982, 6360), (4240, 5973), (4344, 5830), (4664, 5430)]