1539680720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{26993}}^1$

素因数の和:27060

約数の個数: 80

約数和(自身を含む): 3856038912

約数和(自身を除く): 2316358192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 310, 368, 460, 496, 620, 713, 920, 1240, 1426, 1840, 2480, 2852, 3565, 5704, 7130, 11408, 14260, 26993, 28520, 53986, 57040, 107972, 134965, 215944, 269930, 431888, 539860, 620839, 836783, 1079720, 1241678, 1673566, 2159440, 2483356, 3104195, 3347132, 4183915, 4966712, 6208390, 6694264, 8367830, 9933424, 12416780, 13388528, 16735660, 19246009, 24833560, 33471320, 38492018, 49667120, 66942640, 76984036, 96230045, 153968072, 192460090, 307936144, 384920180, 769840360, 1539680720]

約数ペア:

[(1, 1539680720), (2, 769840360), (4, 384920180), (5, 307936144), (8, 192460090), (10, 153968072), (16, 96230045), (20, 76984036), (23, 66942640), (31, 49667120), (40, 38492018), (46, 33471320), (62, 24833560), (80, 19246009), (92, 16735660), (115, 13388528), (124, 12416780), (155, 9933424), (184, 8367830), (230, 6694264), (248, 6208390), (310, 4966712), (368, 4183915), (460, 3347132), (496, 3104195), (620, 2483356), (713, 2159440), (920, 1673566), (1240, 1241678), (1426, 1079720), (1840, 836783), (2480, 620839), (2852, 539860), (3565, 431888), (5704, 269930), (7130, 215944), (11408, 134965), (14260, 107972), (26993, 57040), (28520, 53986)]