71125740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2971}}^1$

素因数の和:3012

約数の個数: 144

約数和(自身を含む): 259633920

約数和(自身を除く): 188508180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 2971, 3420, 3990, 4788, 5942, 5985, 7980, 8913, 11884, 11970, 14855, 17826, 20797, 23940, 26739, 29710, 35652, 41594, 44565, 53478, 56449, 59420, 62391, 83188, 89130, 103985, 106956, 112898, 124782, 133695, 169347, 178260, 187173, 207970, 225796, 249564, 267390, 282245, 311955, 338694, 374346, 395143, 415940, 508041, 534780, 564490, 623910, 677388, 748692, 790286, 846735, 935865, 1016082, 1128980, 1185429, 1247820, 1580572, 1693470, 1871730, 1975715, 2032164, 2370858, 2540205, 3386940, 3556287, 3743460, 3951430, 4741716, 5080410, 5927145, 7112574, 7902860, 10160820, 11854290, 14225148, 17781435, 23708580, 35562870, 71125740]

約数ペア:

[(1, 71125740), (2, 35562870), (3, 23708580), (4, 17781435), (5, 14225148), (6, 11854290), (7, 10160820), (9, 7902860), (10, 7112574), (12, 5927145), (14, 5080410), (15, 4741716), (18, 3951430), (19, 3743460), (20, 3556287), (21, 3386940), (28, 2540205), (30, 2370858), (35, 2032164), (36, 1975715), (38, 1871730), (42, 1693470), (45, 1580572), (57, 1247820), (60, 1185429), (63, 1128980), (70, 1016082), (76, 935865), (84, 846735), (90, 790286), (95, 748692), (105, 677388), (114, 623910), (126, 564490), (133, 534780), (140, 508041), (171, 415940), (180, 395143), (190, 374346), (210, 338694), (228, 311955), (252, 282245), (266, 267390), (285, 249564), (315, 225796), (342, 207970), (380, 187173), (399, 178260), (420, 169347), (532, 133695), (570, 124782), (630, 112898), (665, 106956), (684, 103985), (798, 89130), (855, 83188), (1140, 62391), (1197, 59420), (1260, 56449), (1330, 53478), (1596, 44565), (1710, 41594), (1995, 35652), (2394, 29710), (2660, 26739), (2971, 23940), (3420, 20797), (3990, 17826), (4788, 14855), (5942, 11970), (5985, 11884), (7980, 8913)]