401214840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257189}}^1$

素因数の和:257216

約数の個数: 64

約数和(自身を含む): 1296237600

約数和(自身を除く): 895022760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 257189, 514378, 771567, 1028756, 1285945, 1543134, 2057512, 2571890, 3086268, 3343457, 3857835, 5143780, 6172536, 6686914, 7715670, 10030371, 10287560, 13373828, 15431340, 16717285, 20060742, 26747656, 30862680, 33434570, 40121484, 50151855, 66869140, 80242968, 100303710, 133738280, 200607420, 401214840]

約数ペア:

[(1, 401214840), (2, 200607420), (3, 133738280), (4, 100303710), (5, 80242968), (6, 66869140), (8, 50151855), (10, 40121484), (12, 33434570), (13, 30862680), (15, 26747656), (20, 20060742), (24, 16717285), (26, 15431340), (30, 13373828), (39, 10287560), (40, 10030371), (52, 7715670), (60, 6686914), (65, 6172536), (78, 5143780), (104, 3857835), (120, 3343457), (130, 3086268), (156, 2571890), (195, 2057512), (260, 1543134), (312, 1285945), (390, 1028756), (520, 771567), (780, 514378), (1560, 257189)]