30270440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 70958160

約数和(自身を除く): 40687720

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 113, 148, 181, 185, 226, 296, 362, 370, 452, 565, 724, 740, 904, 905, 1130, 1448, 1480, 1810, 2260, 3620, 4181, 4520, 6697, 7240, 8362, 13394, 16724, 20453, 20905, 26788, 33448, 33485, 40906, 41810, 53576, 66970, 81812, 83620, 102265, 133940, 163624, 167240, 204530, 267880, 409060, 756761, 818120, 1513522, 3027044, 3783805, 6054088, 7567610, 15135220, 30270440]

約数ペア:

[(1, 30270440), (2, 15135220), (4, 7567610), (5, 6054088), (8, 3783805), (10, 3027044), (20, 1513522), (37, 818120), (40, 756761), (74, 409060), (113, 267880), (148, 204530), (181, 167240), (185, 163624), (226, 133940), (296, 102265), (362, 83620), (370, 81812), (452, 66970), (565, 53576), (724, 41810), (740, 40906), (904, 33485), (905, 33448), (1130, 26788), (1448, 20905), (1480, 20453), (1810, 16724), (2260, 13394), (3620, 8362), (4181, 7240), (4520, 6697)]