1291138320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{16253}}^1$

素因数の和:16600

約数の個数: 80

約数和(自身を含む): 4014868032

約数和(自身を除く): 2723729712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 331, 662, 993, 1324, 1655, 1986, 2648, 3310, 3972, 4965, 5296, 6620, 7944, 9930, 13240, 15888, 16253, 19860, 26480, 32506, 39720, 48759, 65012, 79440, 81265, 97518, 130024, 162530, 195036, 243795, 260048, 325060, 390072, 487590, 650120, 780144, 975180, 1300240, 1950360, 3900720, 5379743, 10759486, 16139229, 21518972, 26898715, 32278458, 43037944, 53797430, 64556916, 80696145, 86075888, 107594860, 129113832, 161392290, 215189720, 258227664, 322784580, 430379440, 645569160, 1291138320]

約数ペア:

[(1, 1291138320), (2, 645569160), (3, 430379440), (4, 322784580), (5, 258227664), (6, 215189720), (8, 161392290), (10, 129113832), (12, 107594860), (15, 86075888), (16, 80696145), (20, 64556916), (24, 53797430), (30, 43037944), (40, 32278458), (48, 26898715), (60, 21518972), (80, 16139229), (120, 10759486), (240, 5379743), (331, 3900720), (662, 1950360), (993, 1300240), (1324, 975180), (1655, 780144), (1986, 650120), (2648, 487590), (3310, 390072), (3972, 325060), (4965, 260048), (5296, 243795), (6620, 195036), (7944, 162530), (9930, 130024), (13240, 97518), (15888, 81265), (16253, 79440), (19860, 65012), (26480, 48759), (32506, 39720)]