72721080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2557}}^1$

素因数の和:2653

約数の個数: 96

約数和(自身を含む): 239428800

約数和(自身を除く): 166707720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 79, 90, 120, 158, 180, 237, 316, 360, 395, 474, 632, 711, 790, 948, 1185, 1422, 1580, 1896, 2370, 2557, 2844, 3160, 3555, 4740, 5114, 5688, 7110, 7671, 9480, 10228, 12785, 14220, 15342, 20456, 23013, 25570, 28440, 30684, 38355, 46026, 51140, 61368, 76710, 92052, 102280, 115065, 153420, 184104, 202003, 230130, 306840, 404006, 460260, 606009, 808012, 920520, 1010015, 1212018, 1616024, 1818027, 2020030, 2424036, 3030045, 3636054, 4040060, 4848072, 6060090, 7272108, 8080120, 9090135, 12120180, 14544216, 18180270, 24240360, 36360540, 72721080]

約数ペア:

[(1, 72721080), (2, 36360540), (3, 24240360), (4, 18180270), (5, 14544216), (6, 12120180), (8, 9090135), (9, 8080120), (10, 7272108), (12, 6060090), (15, 4848072), (18, 4040060), (20, 3636054), (24, 3030045), (30, 2424036), (36, 2020030), (40, 1818027), (45, 1616024), (60, 1212018), (72, 1010015), (79, 920520), (90, 808012), (120, 606009), (158, 460260), (180, 404006), (237, 306840), (316, 230130), (360, 202003), (395, 184104), (474, 153420), (632, 115065), (711, 102280), (790, 92052), (948, 76710), (1185, 61368), (1422, 51140), (1580, 46026), (1896, 38355), (2370, 30684), (2557, 28440), (2844, 25570), (3160, 23013), (3555, 20456), (4740, 15342), (5114, 14220), (5688, 12785), (7110, 10228), (7671, 9480)]