129518820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37871}}^1$

素因数の和:37905

約数の個数: 72

約数和(自身を含む): 413562240

約数和(自身を除く): 284043420

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, 380, 570, 684, 855, 1140, 1710, 3420, 37871, 75742, 113613, 151484, 189355, 227226, 340839, 378710, 454452, 568065, 681678, 719549, 757420, 1136130, 1363356, 1439098, 1704195, 2158647, 2272260, 2878196, 3408390, 3597745, 4317294, 6475941, 6816780, 7195490, 8634588, 10793235, 12951882, 14390980, 21586470, 25903764, 32379705, 43172940, 64759410, 129518820]

約数ペア:

[(1, 129518820), (2, 64759410), (3, 43172940), (4, 32379705), (5, 25903764), (6, 21586470), (9, 14390980), (10, 12951882), (12, 10793235), (15, 8634588), (18, 7195490), (19, 6816780), (20, 6475941), (30, 4317294), (36, 3597745), (38, 3408390), (45, 2878196), (57, 2272260), (60, 2158647), (76, 1704195), (90, 1439098), (95, 1363356), (114, 1136130), (171, 757420), (180, 719549), (190, 681678), (228, 568065), (285, 454452), (342, 378710), (380, 340839), (570, 227226), (684, 189355), (855, 151484), (1140, 113613), (1710, 75742), (3420, 37871)]