72031890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20177}}^1$

素因数の和:20211

約数の個数: 64

約数和(自身を含む): 209205504

約数和(自身を除く): 137173614

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 357, 510, 595, 714, 1190, 1785, 3570, 20177, 40354, 60531, 100885, 121062, 141239, 201770, 282478, 302655, 343009, 423717, 605310, 686018, 706195, 847434, 1029027, 1412390, 1715045, 2058054, 2118585, 2401063, 3430090, 4237170, 4802126, 5145135, 7203189, 10290270, 12005315, 14406378, 24010630, 36015945, 72031890]

約数ペア:

[(1, 72031890), (2, 36015945), (3, 24010630), (5, 14406378), (6, 12005315), (7, 10290270), (10, 7203189), (14, 5145135), (15, 4802126), (17, 4237170), (21, 3430090), (30, 2401063), (34, 2118585), (35, 2058054), (42, 1715045), (51, 1412390), (70, 1029027), (85, 847434), (102, 706195), (105, 686018), (119, 605310), (170, 423717), (210, 343009), (238, 302655), (255, 282478), (357, 201770), (510, 141239), (595, 121062), (714, 100885), (1190, 60531), (1785, 40354), (3570, 20177)]