19272720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{613}}^1$

素因数の和:760

約数の個数: 80

約数和(自身を含む): 60299712

約数和(自身を除く): 41026992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 393, 524, 613, 655, 786, 1048, 1226, 1310, 1572, 1839, 1965, 2096, 2452, 2620, 3065, 3144, 3678, 3930, 4904, 5240, 6130, 6288, 7356, 7860, 9195, 9808, 10480, 12260, 14712, 15720, 18390, 24520, 29424, 31440, 36780, 49040, 73560, 80303, 147120, 160606, 240909, 321212, 401515, 481818, 642424, 803030, 963636, 1204545, 1284848, 1606060, 1927272, 2409090, 3212120, 3854544, 4818180, 6424240, 9636360, 19272720]

約数ペア:

[(1, 19272720), (2, 9636360), (3, 6424240), (4, 4818180), (5, 3854544), (6, 3212120), (8, 2409090), (10, 1927272), (12, 1606060), (15, 1284848), (16, 1204545), (20, 963636), (24, 803030), (30, 642424), (40, 481818), (48, 401515), (60, 321212), (80, 240909), (120, 160606), (131, 147120), (240, 80303), (262, 73560), (393, 49040), (524, 36780), (613, 31440), (655, 29424), (786, 24520), (1048, 18390), (1226, 15720), (1310, 14712), (1572, 12260), (1839, 10480), (1965, 9808), (2096, 9195), (2452, 7860), (2620, 7356), (3065, 6288), (3144, 6130), (3678, 5240), (3930, 4904)]