25301640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:372

約数の個数: 192

約数和(自身を含む): 95376960

約数和(自身を除く): 70075320

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, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 182, 195, 196, 210, 245, 260, 273, 280, 294, 312, 331, 364, 390, 392, 420, 455, 490, 520, 546, 588, 637, 662, 728, 735, 780, 840, 910, 980, 993, 1092, 1176, 1274, 1324, 1365, 1470, 1560, 1655, 1820, 1911, 1960, 1986, 2184, 2317, 2548, 2648, 2730, 2940, 3185, 3310, 3640, 3822, 3972, 4303, 4634, 4965, 5096, 5460, 5880, 6370, 6620, 6951, 7644, 7944, 8606, 9268, 9555, 9930, 10920, 11585, 12740, 12909, 13240, 13902, 15288, 16219, 17212, 18536, 19110, 19860, 21515, 23170, 25480, 25818, 27804, 30121, 32438, 34424, 34755, 38220, 39720, 43030, 46340, 48657, 51636, 55608, 60242, 64545, 64876, 69510, 76440, 81095, 86060, 90363, 92680, 97314, 103272, 120484, 129090, 129752, 139020, 150605, 162190, 172120, 180726, 194628, 210847, 240968, 243285, 258180, 278040, 301210, 324380, 361452, 389256, 421694, 451815, 486570, 516360, 602420, 632541, 648760, 722904, 843388, 903630, 973140, 1054235, 1204840, 1265082, 1686776, 1807260, 1946280, 2108470, 2530164, 3162705, 3614520, 4216940, 5060328, 6325410, 8433880, 12650820, 25301640]

約数ペア:

[(1, 25301640), (2, 12650820), (3, 8433880), (4, 6325410), (5, 5060328), (6, 4216940), (7, 3614520), (8, 3162705), (10, 2530164), (12, 2108470), (13, 1946280), (14, 1807260), (15, 1686776), (20, 1265082), (21, 1204840), (24, 1054235), (26, 973140), (28, 903630), (30, 843388), (35, 722904), (39, 648760), (40, 632541), (42, 602420), (49, 516360), (52, 486570), (56, 451815), (60, 421694), (65, 389256), (70, 361452), (78, 324380), (84, 301210), (91, 278040), (98, 258180), (104, 243285), (105, 240968), (120, 210847), (130, 194628), (140, 180726), (147, 172120), (156, 162190), (168, 150605), (182, 139020), (195, 129752), (196, 129090), (210, 120484), (245, 103272), (260, 97314), (273, 92680), (280, 90363), (294, 86060), (312, 81095), (331, 76440), (364, 69510), (390, 64876), (392, 64545), (420, 60242), (455, 55608), (490, 51636), (520, 48657), (546, 46340), (588, 43030), (637, 39720), (662, 38220), (728, 34755), (735, 34424), (780, 32438), (840, 30121), (910, 27804), (980, 25818), (993, 25480), (1092, 23170), (1176, 21515), (1274, 19860), (1324, 19110), (1365, 18536), (1470, 17212), (1560, 16219), (1655, 15288), (1820, 13902), (1911, 13240), (1960, 12909), (1986, 12740), (2184, 11585), (2317, 10920), (2548, 9930), (2648, 9555), (2730, 9268), (2940, 8606), (3185, 7944), (3310, 7644), (3640, 6951), (3822, 6620), (3972, 6370), (4303, 5880), (4634, 5460), (4965, 5096)]