78345990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28081}}^1$

素因数の和:28125

約数の個数: 48

約数和(自身を含む): 210278016

約数和(自身を除く): 131932026

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 28081, 56162, 84243, 140405, 168486, 252729, 280810, 421215, 505458, 842430, 870511, 1263645, 1741022, 2527290, 2611533, 4352555, 5223066, 7834599, 8705110, 13057665, 15669198, 26115330, 39172995, 78345990]

約数ペア:

[(1, 78345990), (2, 39172995), (3, 26115330), (5, 15669198), (6, 13057665), (9, 8705110), (10, 7834599), (15, 5223066), (18, 4352555), (30, 2611533), (31, 2527290), (45, 1741022), (62, 1263645), (90, 870511), (93, 842430), (155, 505458), (186, 421215), (279, 280810), (310, 252729), (465, 168486), (558, 140405), (930, 84243), (1395, 56162), (2790, 28081)]