251567680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:253

約数の個数: 224

約数和(自身を含む): 755806464

約数和(自身を除く): 504238784

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 53, 56, 64, 65, 70, 80, 91, 104, 106, 112, 130, 140, 160, 163, 182, 208, 212, 224, 260, 265, 280, 320, 326, 364, 371, 416, 424, 448, 455, 520, 530, 560, 652, 689, 728, 742, 815, 832, 848, 910, 1040, 1060, 1120, 1141, 1304, 1378, 1456, 1484, 1630, 1696, 1820, 1855, 2080, 2119, 2120, 2240, 2282, 2608, 2756, 2912, 2968, 3260, 3392, 3445, 3640, 3710, 4160, 4238, 4240, 4564, 4823, 5216, 5512, 5705, 5824, 5936, 6520, 6890, 7280, 7420, 8476, 8480, 8639, 9128, 9646, 10432, 10595, 11024, 11410, 11872, 13040, 13780, 14560, 14833, 14840, 16952, 16960, 17278, 18256, 19292, 21190, 22048, 22820, 23744, 24115, 26080, 27560, 29120, 29666, 29680, 33904, 34556, 36512, 38584, 42380, 43195, 44096, 45640, 48230, 52160, 55120, 59332, 59360, 60473, 67808, 69112, 73024, 74165, 77168, 84760, 86390, 91280, 96460, 110240, 112307, 118664, 118720, 120946, 135616, 138224, 148330, 154336, 169520, 172780, 182560, 192920, 220480, 224614, 237328, 241892, 276448, 296660, 302365, 308672, 339040, 345560, 365120, 385840, 449228, 474656, 483784, 552896, 561535, 593320, 604730, 678080, 691120, 771680, 786149, 898456, 949312, 967568, 1123070, 1186640, 1209460, 1382240, 1543360, 1572298, 1796912, 1935136, 2246140, 2373280, 2418920, 2764480, 3144596, 3593824, 3870272, 3930745, 4492280, 4746560, 4837840, 6289192, 7187648, 7861490, 8984560, 9675680, 12578384, 15722980, 17969120, 19351360, 25156768, 31445960, 35938240, 50313536, 62891920, 125783840, 251567680]

約数ペア:

[(1, 251567680), (2, 125783840), (4, 62891920), (5, 50313536), (7, 35938240), (8, 31445960), (10, 25156768), (13, 19351360), (14, 17969120), (16, 15722980), (20, 12578384), (26, 9675680), (28, 8984560), (32, 7861490), (35, 7187648), (40, 6289192), (52, 4837840), (53, 4746560), (56, 4492280), (64, 3930745), (65, 3870272), (70, 3593824), (80, 3144596), (91, 2764480), (104, 2418920), (106, 2373280), (112, 2246140), (130, 1935136), (140, 1796912), (160, 1572298), (163, 1543360), (182, 1382240), (208, 1209460), (212, 1186640), (224, 1123070), (260, 967568), (265, 949312), (280, 898456), (320, 786149), (326, 771680), (364, 691120), (371, 678080), (416, 604730), (424, 593320), (448, 561535), (455, 552896), (520, 483784), (530, 474656), (560, 449228), (652, 385840), (689, 365120), (728, 345560), (742, 339040), (815, 308672), (832, 302365), (848, 296660), (910, 276448), (1040, 241892), (1060, 237328), (1120, 224614), (1141, 220480), (1304, 192920), (1378, 182560), (1456, 172780), (1484, 169520), (1630, 154336), (1696, 148330), (1820, 138224), (1855, 135616), (2080, 120946), (2119, 118720), (2120, 118664), (2240, 112307), (2282, 110240), (2608, 96460), (2756, 91280), (2912, 86390), (2968, 84760), (3260, 77168), (3392, 74165), (3445, 73024), (3640, 69112), (3710, 67808), (4160, 60473), (4238, 59360), (4240, 59332), (4564, 55120), (4823, 52160), (5216, 48230), (5512, 45640), (5705, 44096), (5824, 43195), (5936, 42380), (6520, 38584), (6890, 36512), (7280, 34556), (7420, 33904), (8476, 29680), (8480, 29666), (8639, 29120), (9128, 27560), (9646, 26080), (10432, 24115), (10595, 23744), (11024, 22820), (11410, 22048), (11872, 21190), (13040, 19292), (13780, 18256), (14560, 17278), (14833, 16960), (14840, 16952)]