198765720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{552127}}^1$

素因数の和:552144

約数の個数: 48

約数和(自身を含む): 645989760

約数和(自身を除く): 447224040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 552127, 1104254, 1656381, 2208508, 2760635, 3312762, 4417016, 4969143, 5521270, 6625524, 8281905, 9938286, 11042540, 13251048, 16563810, 19876572, 22085080, 24845715, 33127620, 39753144, 49691430, 66255240, 99382860, 198765720]

約数ペア:

[(1, 198765720), (2, 99382860), (3, 66255240), (4, 49691430), (5, 39753144), (6, 33127620), (8, 24845715), (9, 22085080), (10, 19876572), (12, 16563810), (15, 13251048), (18, 11042540), (20, 9938286), (24, 8281905), (30, 6625524), (36, 5521270), (40, 4969143), (45, 4417016), (60, 3312762), (72, 2760635), (90, 2208508), (120, 1656381), (180, 1104254), (360, 552127)]