1221731120

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{10067}}^1$

素因数の和:10158

約数の個数: 80

約数和(自身を含む): 2988746208

約数和(自身を除く): 1767015088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 41, 74, 80, 82, 148, 164, 185, 205, 296, 328, 370, 410, 592, 656, 740, 820, 1480, 1517, 1640, 2960, 3034, 3280, 6068, 7585, 10067, 12136, 15170, 20134, 24272, 30340, 40268, 50335, 60680, 80536, 100670, 121360, 161072, 201340, 372479, 402680, 412747, 744958, 805360, 825494, 1489916, 1650988, 1862395, 2063735, 2979832, 3301976, 3724790, 4127470, 5959664, 6603952, 7449580, 8254940, 14899160, 15271639, 16509880, 29798320, 30543278, 33019760, 61086556, 76358195, 122173112, 152716390, 244346224, 305432780, 610865560, 1221731120]

約数ペア:

[(1, 1221731120), (2, 610865560), (4, 305432780), (5, 244346224), (8, 152716390), (10, 122173112), (16, 76358195), (20, 61086556), (37, 33019760), (40, 30543278), (41, 29798320), (74, 16509880), (80, 15271639), (82, 14899160), (148, 8254940), (164, 7449580), (185, 6603952), (205, 5959664), (296, 4127470), (328, 3724790), (370, 3301976), (410, 2979832), (592, 2063735), (656, 1862395), (740, 1650988), (820, 1489916), (1480, 825494), (1517, 805360), (1640, 744958), (2960, 412747), (3034, 402680), (3280, 372479), (6068, 201340), (7585, 161072), (10067, 121360), (12136, 100670), (15170, 80536), (20134, 60680), (24272, 50335), (30340, 40268)]