145397440

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14657}}^1$

素因数の和:14705

約数の個数: 56

約数和(自身を含む): 357420672

約数和(自身を除く): 212023232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 14657, 29314, 58628, 73285, 117256, 146570, 234512, 293140, 454367, 469024, 586280, 908734, 938048, 1172560, 1817468, 2271835, 2345120, 3634936, 4543670, 4690240, 7269872, 9087340, 14539744, 18174680, 29079488, 36349360, 72698720, 145397440]

約数ペア:

[(1, 145397440), (2, 72698720), (4, 36349360), (5, 29079488), (8, 18174680), (10, 14539744), (16, 9087340), (20, 7269872), (31, 4690240), (32, 4543670), (40, 3634936), (62, 2345120), (64, 2271835), (80, 1817468), (124, 1172560), (155, 938048), (160, 908734), (248, 586280), (310, 469024), (320, 454367), (496, 293140), (620, 234512), (992, 146570), (1240, 117256), (1984, 73285), (2480, 58628), (4960, 29314), (9920, 14657)]