627440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 80

約数和(自身を含む): 1714176

約数和(自身を除く): 1086736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 31, 40, 44, 46, 55, 62, 80, 88, 92, 110, 115, 124, 155, 176, 184, 220, 230, 248, 253, 310, 341, 368, 440, 460, 496, 506, 620, 682, 713, 880, 920, 1012, 1240, 1265, 1364, 1426, 1705, 1840, 2024, 2480, 2530, 2728, 2852, 3410, 3565, 4048, 5060, 5456, 5704, 6820, 7130, 7843, 10120, 11408, 13640, 14260, 15686, 20240, 27280, 28520, 31372, 39215, 57040, 62744, 78430, 125488, 156860, 313720, 627440]

約数ペア:

[(1, 627440), (2, 313720), (4, 156860), (5, 125488), (8, 78430), (10, 62744), (11, 57040), (16, 39215), (20, 31372), (22, 28520), (23, 27280), (31, 20240), (40, 15686), (44, 14260), (46, 13640), (55, 11408), (62, 10120), (80, 7843), (88, 7130), (92, 6820), (110, 5704), (115, 5456), (124, 5060), (155, 4048), (176, 3565), (184, 3410), (220, 2852), (230, 2728), (248, 2530), (253, 2480), (310, 2024), (341, 1840), (368, 1705), (440, 1426), (460, 1364), (496, 1265), (506, 1240), (620, 1012), (682, 920), (713, 880)]