645418080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{448207}}^1$

素因数の和:448228

約数の個数: 72

約数和(自身を含む): 2202494112

約数和(自身を除く): 1557076032

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 448207, 896414, 1344621, 1792828, 2241035, 2689242, 3585656, 4033863, 4482070, 5378484, 6723105, 7171312, 8067726, 8964140, 10756968, 13446210, 14342624, 16135452, 17928280, 20169315, 21513936, 26892420, 32270904, 35856560, 40338630, 43027872, 53784840, 64541808, 71713120, 80677260, 107569680, 129083616, 161354520, 215139360, 322709040, 645418080]

約数ペア:

[(1, 645418080), (2, 322709040), (3, 215139360), (4, 161354520), (5, 129083616), (6, 107569680), (8, 80677260), (9, 71713120), (10, 64541808), (12, 53784840), (15, 43027872), (16, 40338630), (18, 35856560), (20, 32270904), (24, 26892420), (30, 21513936), (32, 20169315), (36, 17928280), (40, 16135452), (45, 14342624), (48, 13446210), (60, 10756968), (72, 8964140), (80, 8067726), (90, 7171312), (96, 6723105), (120, 5378484), (144, 4482070), (160, 4033863), (180, 3585656), (240, 2689242), (288, 2241035), (360, 1792828), (480, 1344621), (720, 896414), (1440, 448207)]