259156960

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{523}}^1$

素因数の和:720

約数の個数: 96

約数和(自身を含む): 649676160

約数和(自身を除く): 390519200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 163, 190, 304, 326, 380, 523, 608, 652, 760, 815, 1046, 1304, 1520, 1630, 2092, 2608, 2615, 3040, 3097, 3260, 4184, 5216, 5230, 6194, 6520, 8368, 9937, 10460, 12388, 13040, 15485, 16736, 19874, 20920, 24776, 26080, 30970, 39748, 41840, 49552, 49685, 61940, 79496, 83680, 85249, 99104, 99370, 123880, 158992, 170498, 198740, 247760, 317984, 340996, 397480, 426245, 495520, 681992, 794960, 852490, 1363984, 1589920, 1619731, 1704980, 2727968, 3239462, 3409960, 6478924, 6819920, 8098655, 12957848, 13639840, 16197310, 25915696, 32394620, 51831392, 64789240, 129578480, 259156960]

約数ペア:

[(1, 259156960), (2, 129578480), (4, 64789240), (5, 51831392), (8, 32394620), (10, 25915696), (16, 16197310), (19, 13639840), (20, 12957848), (32, 8098655), (38, 6819920), (40, 6478924), (76, 3409960), (80, 3239462), (95, 2727968), (152, 1704980), (160, 1619731), (163, 1589920), (190, 1363984), (304, 852490), (326, 794960), (380, 681992), (523, 495520), (608, 426245), (652, 397480), (760, 340996), (815, 317984), (1046, 247760), (1304, 198740), (1520, 170498), (1630, 158992), (2092, 123880), (2608, 99370), (2615, 99104), (3040, 85249), (3097, 83680), (3260, 79496), (4184, 61940), (5216, 49685), (5230, 49552), (6194, 41840), (6520, 39748), (8368, 30970), (9937, 26080), (10460, 24776), (12388, 20920), (13040, 19874), (15485, 16736)]