720409860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{6529}}^1$

素因数の和:7157

約数の個数: 72

約数和(自身を含む): 2189143320

約数和(自身を除く): 1468733460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 613, 1226, 1839, 2452, 3065, 3678, 5517, 6130, 6529, 7356, 9195, 11034, 12260, 13058, 18390, 19587, 22068, 26116, 27585, 32645, 36780, 39174, 55170, 58761, 65290, 78348, 97935, 110340, 117522, 130580, 195870, 235044, 293805, 391740, 587610, 1175220, 4002277, 8004554, 12006831, 16009108, 20011385, 24013662, 36020493, 40022770, 48027324, 60034155, 72040986, 80045540, 120068310, 144081972, 180102465, 240136620, 360204930, 720409860]

約数ペア:

[(1, 720409860), (2, 360204930), (3, 240136620), (4, 180102465), (5, 144081972), (6, 120068310), (9, 80045540), (10, 72040986), (12, 60034155), (15, 48027324), (18, 40022770), (20, 36020493), (30, 24013662), (36, 20011385), (45, 16009108), (60, 12006831), (90, 8004554), (180, 4002277), (613, 1175220), (1226, 587610), (1839, 391740), (2452, 293805), (3065, 235044), (3678, 195870), (5517, 130580), (6130, 117522), (6529, 110340), (7356, 97935), (9195, 78348), (11034, 65290), (12260, 58761), (13058, 55170), (18390, 39174), (19587, 36780), (22068, 32645), (26116, 27585)]