220777560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1229}}^1$

素因数の和:1745

約数の個数: 96

約数和(自身を含む): 719550000

約数和(自身を除く): 498772440

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, 499, 998, 1229, 1497, 1996, 2458, 2495, 2994, 3687, 3992, 4491, 4916, 4990, 5988, 6145, 7374, 7485, 8982, 9832, 9980, 11061, 11976, 12290, 14748, 14970, 17964, 18435, 19960, 22122, 22455, 24580, 29496, 29940, 35928, 36870, 44244, 44910, 49160, 55305, 59880, 73740, 88488, 89820, 110610, 147480, 179640, 221220, 442440, 613271, 1226542, 1839813, 2453084, 3066355, 3679626, 4906168, 5519439, 6132710, 7359252, 9199065, 11038878, 12265420, 14718504, 18398130, 22077756, 24530840, 27597195, 36796260, 44155512, 55194390, 73592520, 110388780, 220777560]

約数ペア:

[(1, 220777560), (2, 110388780), (3, 73592520), (4, 55194390), (5, 44155512), (6, 36796260), (8, 27597195), (9, 24530840), (10, 22077756), (12, 18398130), (15, 14718504), (18, 12265420), (20, 11038878), (24, 9199065), (30, 7359252), (36, 6132710), (40, 5519439), (45, 4906168), (60, 3679626), (72, 3066355), (90, 2453084), (120, 1839813), (180, 1226542), (360, 613271), (499, 442440), (998, 221220), (1229, 179640), (1497, 147480), (1996, 110610), (2458, 89820), (2495, 88488), (2994, 73740), (3687, 59880), (3992, 55305), (4491, 49160), (4916, 44910), (4990, 44244), (5988, 36870), (6145, 35928), (7374, 29940), (7485, 29496), (8982, 24580), (9832, 22455), (9980, 22122), (11061, 19960), (11976, 18435), (12290, 17964), (14748, 14970)]