217486920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13627}}^1$

素因数の和:13667

約数の個数: 128

約数和(自身を含む): 784972800

約数和(自身を除く): 567485880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 13627, 15960, 27254, 40881, 54508, 68135, 81762, 95389, 109016, 136270, 163524, 190778, 204405, 258913, 272540, 286167, 327048, 381556, 408810, 476945, 517826, 545080, 572334, 763112, 776739, 817620, 953890, 1035652, 1144668, 1294565, 1430835, 1553478, 1635240, 1812391, 1907780, 2071304, 2289336, 2589130, 2861670, 3106956, 3624782, 3815560, 3883695, 5178260, 5437173, 5723340, 6213912, 7249564, 7767390, 9061955, 10356520, 10874346, 11446680, 14499128, 15534780, 18123910, 21748692, 27185865, 31069560, 36247820, 43497384, 54371730, 72495640, 108743460, 217486920]

約数ペア:

[(1, 217486920), (2, 108743460), (3, 72495640), (4, 54371730), (5, 43497384), (6, 36247820), (7, 31069560), (8, 27185865), (10, 21748692), (12, 18123910), (14, 15534780), (15, 14499128), (19, 11446680), (20, 10874346), (21, 10356520), (24, 9061955), (28, 7767390), (30, 7249564), (35, 6213912), (38, 5723340), (40, 5437173), (42, 5178260), (56, 3883695), (57, 3815560), (60, 3624782), (70, 3106956), (76, 2861670), (84, 2589130), (95, 2289336), (105, 2071304), (114, 1907780), (120, 1812391), (133, 1635240), (140, 1553478), (152, 1430835), (168, 1294565), (190, 1144668), (210, 1035652), (228, 953890), (266, 817620), (280, 776739), (285, 763112), (380, 572334), (399, 545080), (420, 517826), (456, 476945), (532, 408810), (570, 381556), (665, 327048), (760, 286167), (798, 272540), (840, 258913), (1064, 204405), (1140, 190778), (1330, 163524), (1596, 136270), (1995, 109016), (2280, 95389), (2660, 81762), (3192, 68135), (3990, 54508), (5320, 40881), (7980, 27254), (13627, 15960)]