251267520

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:435

約数の個数: 224

約数和(自身を含む): 921715200

約数和(自身を除く): 670447680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 139, 140, 160, 168, 192, 210, 224, 240, 269, 278, 280, 320, 336, 417, 420, 448, 480, 538, 556, 560, 672, 695, 807, 834, 840, 960, 973, 1076, 1112, 1120, 1344, 1345, 1390, 1614, 1668, 1680, 1883, 1946, 2085, 2152, 2224, 2240, 2690, 2780, 2919, 3228, 3336, 3360, 3766, 3892, 4035, 4170, 4304, 4448, 4865, 5380, 5560, 5649, 5838, 6456, 6672, 6720, 7532, 7784, 8070, 8340, 8608, 8896, 9415, 9730, 10760, 11120, 11298, 11676, 12912, 13344, 14595, 15064, 15568, 16140, 16680, 17216, 18830, 19460, 21520, 22240, 22596, 23352, 25824, 26688, 28245, 29190, 30128, 31136, 32280, 33360, 37391, 37660, 38920, 43040, 44480, 45192, 46704, 51648, 56490, 58380, 60256, 62272, 64560, 66720, 74782, 75320, 77840, 86080, 90384, 93408, 112173, 112980, 116760, 120512, 129120, 133440, 149564, 150640, 155680, 180768, 186816, 186955, 224346, 225960, 233520, 258240, 261737, 299128, 301280, 311360, 361536, 373910, 448692, 451920, 467040, 523474, 560865, 598256, 602560, 747820, 785211, 897384, 903840, 934080, 1046948, 1121730, 1196512, 1308685, 1495640, 1570422, 1794768, 1807680, 2093896, 2243460, 2393024, 2617370, 2991280, 3140844, 3589536, 3926055, 4187792, 4486920, 5234740, 5982560, 6281688, 7179072, 7852110, 8375584, 8973840, 10469480, 11965120, 12563376, 15704220, 16751168, 17947680, 20938960, 25126752, 31408440, 35895360, 41877920, 50253504, 62816880, 83755840, 125633760, 251267520]

約数ペア:

[(1, 251267520), (2, 125633760), (3, 83755840), (4, 62816880), (5, 50253504), (6, 41877920), (7, 35895360), (8, 31408440), (10, 25126752), (12, 20938960), (14, 17947680), (15, 16751168), (16, 15704220), (20, 12563376), (21, 11965120), (24, 10469480), (28, 8973840), (30, 8375584), (32, 7852110), (35, 7179072), (40, 6281688), (42, 5982560), (48, 5234740), (56, 4486920), (60, 4187792), (64, 3926055), (70, 3589536), (80, 3140844), (84, 2991280), (96, 2617370), (105, 2393024), (112, 2243460), (120, 2093896), (139, 1807680), (140, 1794768), (160, 1570422), (168, 1495640), (192, 1308685), (210, 1196512), (224, 1121730), (240, 1046948), (269, 934080), (278, 903840), (280, 897384), (320, 785211), (336, 747820), (417, 602560), (420, 598256), (448, 560865), (480, 523474), (538, 467040), (556, 451920), (560, 448692), (672, 373910), (695, 361536), (807, 311360), (834, 301280), (840, 299128), (960, 261737), (973, 258240), (1076, 233520), (1112, 225960), (1120, 224346), (1344, 186955), (1345, 186816), (1390, 180768), (1614, 155680), (1668, 150640), (1680, 149564), (1883, 133440), (1946, 129120), (2085, 120512), (2152, 116760), (2224, 112980), (2240, 112173), (2690, 93408), (2780, 90384), (2919, 86080), (3228, 77840), (3336, 75320), (3360, 74782), (3766, 66720), (3892, 64560), (4035, 62272), (4170, 60256), (4304, 58380), (4448, 56490), (4865, 51648), (5380, 46704), (5560, 45192), (5649, 44480), (5838, 43040), (6456, 38920), (6672, 37660), (6720, 37391), (7532, 33360), (7784, 32280), (8070, 31136), (8340, 30128), (8608, 29190), (8896, 28245), (9415, 26688), (9730, 25824), (10760, 23352), (11120, 22596), (11298, 22240), (11676, 21520), (12912, 19460), (13344, 18830), (14595, 17216), (15064, 16680), (15568, 16140)]