9980401560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{673}}^1\times {\mathrm{123581}}^1$

素因数の和:124268

約数の個数: 64

約数和(自身を含む): 29985936480

約数和(自身を除く): 20005534920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 673, 1346, 2019, 2692, 3365, 4038, 5384, 6730, 8076, 10095, 13460, 16152, 20190, 26920, 40380, 80760, 123581, 247162, 370743, 494324, 617905, 741486, 988648, 1235810, 1482972, 1853715, 2471620, 2965944, 3707430, 4943240, 7414860, 14829720, 83170013, 166340026, 249510039, 332680052, 415850065, 499020078, 665360104, 831700130, 998040156, 1247550195, 1663400260, 1996080312, 2495100390, 3326800520, 4990200780, 9980401560]

約数ペア:

[(1, 9980401560), (2, 4990200780), (3, 3326800520), (4, 2495100390), (5, 1996080312), (6, 1663400260), (8, 1247550195), (10, 998040156), (12, 831700130), (15, 665360104), (20, 499020078), (24, 415850065), (30, 332680052), (40, 249510039), (60, 166340026), (120, 83170013), (673, 14829720), (1346, 7414860), (2019, 4943240), (2692, 3707430), (3365, 2965944), (4038, 2471620), (5384, 1853715), (6730, 1482972), (8076, 1235810), (10095, 988648), (13460, 741486), (16152, 617905), (20190, 494324), (26920, 370743), (40380, 247162), (80760, 123581)]