389950560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{270799}}^1$

素因数の和:270820

約数の個数: 72

約数和(自身を含む): 1330711200

約数和(自身を除く): 940760640

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, 270799, 541598, 812397, 1083196, 1353995, 1624794, 2166392, 2437191, 2707990, 3249588, 4061985, 4332784, 4874382, 5415980, 6499176, 8123970, 8665568, 9748764, 10831960, 12185955, 12998352, 16247940, 19497528, 21663920, 24371910, 25996704, 32495880, 38995056, 43327840, 48743820, 64991760, 77990112, 97487640, 129983520, 194975280, 389950560]

約数ペア:

[(1, 389950560), (2, 194975280), (3, 129983520), (4, 97487640), (5, 77990112), (6, 64991760), (8, 48743820), (9, 43327840), (10, 38995056), (12, 32495880), (15, 25996704), (16, 24371910), (18, 21663920), (20, 19497528), (24, 16247940), (30, 12998352), (32, 12185955), (36, 10831960), (40, 9748764), (45, 8665568), (48, 8123970), (60, 6499176), (72, 5415980), (80, 4874382), (90, 4332784), (96, 4061985), (120, 3249588), (144, 2707990), (160, 2437191), (180, 2166392), (240, 1624794), (288, 1353995), (360, 1083196), (480, 812397), (720, 541598), (1440, 270799)]