15220540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 33149088

約数和(自身を除く): 17928548

約数列:

[1, 2, 4, 5, 10, 20, 53, 83, 106, 166, 173, 212, 265, 332, 346, 415, 530, 692, 830, 865, 1060, 1660, 1730, 3460, 4399, 8798, 9169, 14359, 17596, 18338, 21995, 28718, 36676, 43990, 45845, 57436, 71795, 87980, 91690, 143590, 183380, 287180, 761027, 1522054, 3044108, 3805135, 7610270, 15220540]

約数ペア:

[(1, 15220540), (2, 7610270), (4, 3805135), (5, 3044108), (10, 1522054), (20, 761027), (53, 287180), (83, 183380), (106, 143590), (166, 91690), (173, 87980), (212, 71795), (265, 57436), (332, 45845), (346, 43990), (415, 36676), (530, 28718), (692, 21995), (830, 18338), (865, 17596), (1060, 14359), (1660, 9169), (1730, 8798), (3460, 4399)]