64407720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 256

約数和(自身を含む): 228614400

約数和(自身を除く): 164206680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 41, 52, 53, 57, 60, 65, 76, 78, 82, 95, 104, 106, 114, 120, 123, 130, 152, 156, 159, 164, 190, 195, 205, 212, 228, 246, 247, 260, 265, 285, 312, 318, 328, 380, 390, 410, 424, 456, 492, 494, 520, 530, 533, 570, 615, 636, 689, 741, 760, 779, 780, 795, 820, 984, 988, 1007, 1060, 1066, 1140, 1230, 1235, 1272, 1378, 1482, 1558, 1560, 1590, 1599, 1640, 1976, 2014, 2067, 2120, 2132, 2173, 2280, 2337, 2460, 2470, 2665, 2756, 2964, 3021, 3116, 3180, 3198, 3445, 3705, 3895, 4028, 4134, 4264, 4346, 4674, 4920, 4940, 5035, 5330, 5512, 5928, 6042, 6232, 6360, 6396, 6519, 6890, 7410, 7790, 7995, 8056, 8268, 8692, 9348, 9880, 10070, 10127, 10335, 10660, 10865, 11685, 12084, 12792, 13038, 13091, 13780, 14820, 15105, 15580, 15990, 16536, 17384, 18696, 20140, 20254, 20670, 21320, 21730, 23370, 24168, 26076, 26182, 27560, 28249, 29640, 30210, 30381, 31160, 31980, 32595, 39273, 40280, 40508, 41287, 41340, 43460, 46740, 50635, 52152, 52364, 56498, 60420, 60762, 63960, 65190, 65455, 78546, 81016, 82574, 82680, 84747, 86920, 93480, 101270, 104728, 112996, 120840, 121524, 123861, 130380, 130910, 141245, 151905, 157092, 165148, 169494, 196365, 202540, 206435, 225992, 243048, 247722, 260760, 261820, 282490, 303810, 314184, 330296, 338988, 392730, 405080, 412870, 423735, 495444, 523640, 536731, 564980, 607620, 619305, 677976, 785460, 825740, 847470, 990888, 1073462, 1129960, 1215240, 1238610, 1570920, 1610193, 1651480, 1694940, 2146924, 2477220, 2683655, 3220386, 3389880, 4293848, 4954440, 5367310, 6440772, 8050965, 10734620, 12881544, 16101930, 21469240, 32203860, 64407720]

約数ペア:

[(1, 64407720), (2, 32203860), (3, 21469240), (4, 16101930), (5, 12881544), (6, 10734620), (8, 8050965), (10, 6440772), (12, 5367310), (13, 4954440), (15, 4293848), (19, 3389880), (20, 3220386), (24, 2683655), (26, 2477220), (30, 2146924), (38, 1694940), (39, 1651480), (40, 1610193), (41, 1570920), (52, 1238610), (53, 1215240), (57, 1129960), (60, 1073462), (65, 990888), (76, 847470), (78, 825740), (82, 785460), (95, 677976), (104, 619305), (106, 607620), (114, 564980), (120, 536731), (123, 523640), (130, 495444), (152, 423735), (156, 412870), (159, 405080), (164, 392730), (190, 338988), (195, 330296), (205, 314184), (212, 303810), (228, 282490), (246, 261820), (247, 260760), (260, 247722), (265, 243048), (285, 225992), (312, 206435), (318, 202540), (328, 196365), (380, 169494), (390, 165148), (410, 157092), (424, 151905), (456, 141245), (492, 130910), (494, 130380), (520, 123861), (530, 121524), (533, 120840), (570, 112996), (615, 104728), (636, 101270), (689, 93480), (741, 86920), (760, 84747), (779, 82680), (780, 82574), (795, 81016), (820, 78546), (984, 65455), (988, 65190), (1007, 63960), (1060, 60762), (1066, 60420), (1140, 56498), (1230, 52364), (1235, 52152), (1272, 50635), (1378, 46740), (1482, 43460), (1558, 41340), (1560, 41287), (1590, 40508), (1599, 40280), (1640, 39273), (1976, 32595), (2014, 31980), (2067, 31160), (2120, 30381), (2132, 30210), (2173, 29640), (2280, 28249), (2337, 27560), (2460, 26182), (2470, 26076), (2665, 24168), (2756, 23370), (2964, 21730), (3021, 21320), (3116, 20670), (3180, 20254), (3198, 20140), (3445, 18696), (3705, 17384), (3895, 16536), (4028, 15990), (4134, 15580), (4264, 15105), (4346, 14820), (4674, 13780), (4920, 13091), (4940, 13038), (5035, 12792), (5330, 12084), (5512, 11685), (5928, 10865), (6042, 10660), (6232, 10335), (6360, 10127), (6396, 10070), (6519, 9880), (6890, 9348), (7410, 8692), (7790, 8268), (7995, 8056)]