31253670

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:419

約数の個数: 144

約数和(自身を含む): 99768240

約数和(自身を除く): 68514570

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 49, 57, 63, 70, 90, 95, 98, 105, 114, 126, 133, 147, 171, 190, 210, 245, 266, 285, 294, 315, 342, 373, 399, 441, 490, 570, 630, 665, 735, 746, 798, 855, 882, 931, 1119, 1197, 1330, 1470, 1710, 1862, 1865, 1995, 2205, 2238, 2394, 2611, 2793, 3357, 3730, 3990, 4410, 4655, 5222, 5586, 5595, 5985, 6714, 7087, 7833, 8379, 9310, 11190, 11970, 13055, 13965, 14174, 15666, 16758, 16785, 18277, 21261, 23499, 26110, 27930, 33570, 35435, 36554, 39165, 41895, 42522, 46998, 49609, 54831, 63783, 70870, 78330, 83790, 91385, 99218, 106305, 109662, 117495, 127566, 148827, 164493, 182770, 212610, 234990, 248045, 274155, 297654, 318915, 328986, 347263, 446481, 496090, 548310, 637830, 694526, 744135, 822465, 892962, 1041789, 1488270, 1644930, 1736315, 2083578, 2232405, 3125367, 3472630, 4464810, 5208945, 6250734, 10417890, 15626835, 31253670]

約数ペア:

[(1, 31253670), (2, 15626835), (3, 10417890), (5, 6250734), (6, 5208945), (7, 4464810), (9, 3472630), (10, 3125367), (14, 2232405), (15, 2083578), (18, 1736315), (19, 1644930), (21, 1488270), (30, 1041789), (35, 892962), (38, 822465), (42, 744135), (45, 694526), (49, 637830), (57, 548310), (63, 496090), (70, 446481), (90, 347263), (95, 328986), (98, 318915), (105, 297654), (114, 274155), (126, 248045), (133, 234990), (147, 212610), (171, 182770), (190, 164493), (210, 148827), (245, 127566), (266, 117495), (285, 109662), (294, 106305), (315, 99218), (342, 91385), (373, 83790), (399, 78330), (441, 70870), (490, 63783), (570, 54831), (630, 49609), (665, 46998), (735, 42522), (746, 41895), (798, 39165), (855, 36554), (882, 35435), (931, 33570), (1119, 27930), (1197, 26110), (1330, 23499), (1470, 21261), (1710, 18277), (1862, 16785), (1865, 16758), (1995, 15666), (2205, 14174), (2238, 13965), (2394, 13055), (2611, 11970), (2793, 11190), (3357, 9310), (3730, 8379), (3990, 7833), (4410, 7087), (4655, 6714), (5222, 5985), (5586, 5595)]