251865120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:435

約数の個数: 192

約数和(自身を含む): 862977024

約数和(自身を除く): 611111904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 181, 195, 208, 223, 240, 260, 312, 362, 390, 416, 446, 480, 520, 543, 624, 669, 724, 780, 892, 905, 1040, 1086, 1115, 1248, 1338, 1448, 1560, 1784, 1810, 2080, 2172, 2230, 2353, 2676, 2715, 2896, 2899, 3120, 3345, 3568, 3620, 4344, 4460, 4706, 5352, 5430, 5792, 5798, 6240, 6690, 7059, 7136, 7240, 8688, 8697, 8920, 9412, 10704, 10860, 11596, 11765, 13380, 14118, 14480, 14495, 17376, 17394, 17840, 18824, 21408, 21720, 23192, 23530, 26760, 28236, 28960, 28990, 34788, 35295, 35680, 37648, 40363, 43440, 43485, 46384, 47060, 53520, 56472, 57980, 69576, 70590, 75296, 80726, 86880, 86970, 92768, 94120, 107040, 112944, 115960, 121089, 139152, 141180, 161452, 173940, 188240, 201815, 225888, 231920, 242178, 278304, 282360, 322904, 347880, 376480, 403630, 463840, 484356, 524719, 564720, 605445, 645808, 695760, 807260, 968712, 1049438, 1129440, 1210890, 1291616, 1391520, 1574157, 1614520, 1937424, 2098876, 2421780, 2623595, 3148314, 3229040, 3874848, 4197752, 4843560, 5247190, 6296628, 6458080, 7870785, 8395504, 9687120, 10494380, 12593256, 15741570, 16791008, 19374240, 20988760, 25186512, 31483140, 41977520, 50373024, 62966280, 83955040, 125932560, 251865120]

約数ペア:

[(1, 251865120), (2, 125932560), (3, 83955040), (4, 62966280), (5, 50373024), (6, 41977520), (8, 31483140), (10, 25186512), (12, 20988760), (13, 19374240), (15, 16791008), (16, 15741570), (20, 12593256), (24, 10494380), (26, 9687120), (30, 8395504), (32, 7870785), (39, 6458080), (40, 6296628), (48, 5247190), (52, 4843560), (60, 4197752), (65, 3874848), (78, 3229040), (80, 3148314), (96, 2623595), (104, 2421780), (120, 2098876), (130, 1937424), (156, 1614520), (160, 1574157), (181, 1391520), (195, 1291616), (208, 1210890), (223, 1129440), (240, 1049438), (260, 968712), (312, 807260), (362, 695760), (390, 645808), (416, 605445), (446, 564720), (480, 524719), (520, 484356), (543, 463840), (624, 403630), (669, 376480), (724, 347880), (780, 322904), (892, 282360), (905, 278304), (1040, 242178), (1086, 231920), (1115, 225888), (1248, 201815), (1338, 188240), (1448, 173940), (1560, 161452), (1784, 141180), (1810, 139152), (2080, 121089), (2172, 115960), (2230, 112944), (2353, 107040), (2676, 94120), (2715, 92768), (2896, 86970), (2899, 86880), (3120, 80726), (3345, 75296), (3568, 70590), (3620, 69576), (4344, 57980), (4460, 56472), (4706, 53520), (5352, 47060), (5430, 46384), (5792, 43485), (5798, 43440), (6240, 40363), (6690, 37648), (7059, 35680), (7136, 35295), (7240, 34788), (8688, 28990), (8697, 28960), (8920, 28236), (9412, 26760), (10704, 23530), (10860, 23192), (11596, 21720), (11765, 21408), (13380, 18824), (14118, 17840), (14480, 17394), (14495, 17376)]