320970120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{463}}^1$

素因数の和:639

約数の個数: 128

約数和(自身を含む): 992217600

約数和(自身を除く): 671247480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 109, 120, 159, 212, 218, 265, 318, 327, 424, 436, 463, 530, 545, 636, 654, 795, 872, 926, 1060, 1090, 1272, 1308, 1389, 1590, 1635, 1852, 2120, 2180, 2315, 2616, 2778, 3180, 3270, 3704, 4360, 4630, 5556, 5777, 6360, 6540, 6945, 9260, 11112, 11554, 13080, 13890, 17331, 18520, 23108, 24539, 27780, 28885, 34662, 46216, 49078, 50467, 55560, 57770, 69324, 73617, 86655, 98156, 100934, 115540, 122695, 138648, 147234, 151401, 173310, 196312, 201868, 231080, 245390, 252335, 294468, 302802, 346620, 368085, 403736, 490780, 504670, 588936, 605604, 693240, 736170, 757005, 981560, 1009340, 1211208, 1472340, 1514010, 2018680, 2674751, 2944680, 3028020, 5349502, 6056040, 8024253, 10699004, 13373755, 16048506, 21398008, 26747510, 32097012, 40121265, 53495020, 64194024, 80242530, 106990040, 160485060, 320970120]

約数ペア:

[(1, 320970120), (2, 160485060), (3, 106990040), (4, 80242530), (5, 64194024), (6, 53495020), (8, 40121265), (10, 32097012), (12, 26747510), (15, 21398008), (20, 16048506), (24, 13373755), (30, 10699004), (40, 8024253), (53, 6056040), (60, 5349502), (106, 3028020), (109, 2944680), (120, 2674751), (159, 2018680), (212, 1514010), (218, 1472340), (265, 1211208), (318, 1009340), (327, 981560), (424, 757005), (436, 736170), (463, 693240), (530, 605604), (545, 588936), (636, 504670), (654, 490780), (795, 403736), (872, 368085), (926, 346620), (1060, 302802), (1090, 294468), (1272, 252335), (1308, 245390), (1389, 231080), (1590, 201868), (1635, 196312), (1852, 173310), (2120, 151401), (2180, 147234), (2315, 138648), (2616, 122695), (2778, 115540), (3180, 100934), (3270, 98156), (3704, 86655), (4360, 73617), (4630, 69324), (5556, 57770), (5777, 55560), (6360, 50467), (6540, 49078), (6945, 46216), (9260, 34662), (11112, 28885), (11554, 27780), (13080, 24539), (13890, 23108), (17331, 18520)]