15621830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 34725888

約数和(自身を除く): 19104058

約数列:

[1, 2, 5, 7, 10, 14, 23, 31, 35, 46, 62, 70, 115, 155, 161, 217, 230, 310, 313, 322, 434, 626, 713, 805, 1085, 1426, 1565, 1610, 2170, 2191, 3130, 3565, 4382, 4991, 7130, 7199, 9703, 9982, 10955, 14398, 19406, 21910, 24955, 35995, 48515, 49910, 50393, 67921, 71990, 97030, 100786, 135842, 223169, 251965, 339605, 446338, 503930, 679210, 1115845, 1562183, 2231690, 3124366, 7810915, 15621830]

約数ペア:

[(1, 15621830), (2, 7810915), (5, 3124366), (7, 2231690), (10, 1562183), (14, 1115845), (23, 679210), (31, 503930), (35, 446338), (46, 339605), (62, 251965), (70, 223169), (115, 135842), (155, 100786), (161, 97030), (217, 71990), (230, 67921), (310, 50393), (313, 49910), (322, 48515), (434, 35995), (626, 24955), (713, 21910), (805, 19406), (1085, 14398), (1426, 10955), (1565, 9982), (1610, 9703), (2170, 7199), (2191, 7130), (3130, 4991), (3565, 4382)]