140421780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2161}}^1$

素因数の和:2214

約数の個数: 108

約数和(自身を含む): 449752212

約数和(自身を除く): 309330432

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 361, 380, 570, 684, 722, 855, 1083, 1140, 1444, 1710, 1805, 2161, 2166, 3249, 3420, 3610, 4322, 4332, 5415, 6483, 6498, 7220, 8644, 10805, 10830, 12966, 12996, 16245, 19449, 21610, 21660, 25932, 32415, 32490, 38898, 41059, 43220, 64830, 64980, 77796, 82118, 97245, 123177, 129660, 164236, 194490, 205295, 246354, 369531, 388980, 410590, 492708, 615885, 739062, 780121, 821180, 1231770, 1478124, 1560242, 1847655, 2340363, 2463540, 3120484, 3695310, 3900605, 4680726, 7021089, 7390620, 7801210, 9361452, 11701815, 14042178, 15602420, 23403630, 28084356, 35105445, 46807260, 70210890, 140421780]

約数ペア:

[(1, 140421780), (2, 70210890), (3, 46807260), (4, 35105445), (5, 28084356), (6, 23403630), (9, 15602420), (10, 14042178), (12, 11701815), (15, 9361452), (18, 7801210), (19, 7390620), (20, 7021089), (30, 4680726), (36, 3900605), (38, 3695310), (45, 3120484), (57, 2463540), (60, 2340363), (76, 1847655), (90, 1560242), (95, 1478124), (114, 1231770), (171, 821180), (180, 780121), (190, 739062), (228, 615885), (285, 492708), (342, 410590), (361, 388980), (380, 369531), (570, 246354), (684, 205295), (722, 194490), (855, 164236), (1083, 129660), (1140, 123177), (1444, 97245), (1710, 82118), (1805, 77796), (2161, 64980), (2166, 64830), (3249, 43220), (3420, 41059), (3610, 38898), (4322, 32490), (4332, 32415), (5415, 25932), (6483, 21660), (6498, 21610), (7220, 19449), (8644, 16245), (10805, 12996), (10830, 12966)]