1221441720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{350989}}^1$

素因数の和:351032

約数の個数: 64

約数和(自身を含む): 3790692000

約数和(自身を除く): 2569250280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 350989, 701978, 1052967, 1403956, 1754945, 2105934, 2807912, 3509890, 4211868, 5264835, 7019780, 8423736, 10178681, 10529670, 14039560, 20357362, 21059340, 30536043, 40714724, 42118680, 50893405, 61072086, 81429448, 101786810, 122144172, 152680215, 203573620, 244288344, 305360430, 407147240, 610720860, 1221441720]

約数ペア:

[(1, 1221441720), (2, 610720860), (3, 407147240), (4, 305360430), (5, 244288344), (6, 203573620), (8, 152680215), (10, 122144172), (12, 101786810), (15, 81429448), (20, 61072086), (24, 50893405), (29, 42118680), (30, 40714724), (40, 30536043), (58, 21059340), (60, 20357362), (87, 14039560), (116, 10529670), (120, 10178681), (145, 8423736), (174, 7019780), (232, 5264835), (290, 4211868), (348, 3509890), (435, 2807912), (580, 2105934), (696, 1754945), (870, 1403956), (1160, 1052967), (1740, 701978), (3480, 350989)]