277516720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{769}}^1$

素因数の和:1142

約数の個数: 80

約数和(自身を含む): 697767840

約数和(自身を除く): 420251120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 347, 520, 694, 769, 1040, 1388, 1538, 1735, 2776, 3076, 3470, 3845, 4511, 5552, 6152, 6940, 7690, 9022, 9997, 12304, 13880, 15380, 18044, 19994, 22555, 27760, 30760, 36088, 39988, 45110, 49985, 61520, 72176, 79976, 90220, 99970, 159952, 180440, 199940, 266843, 360880, 399880, 533686, 799760, 1067372, 1334215, 2134744, 2668430, 3468959, 4269488, 5336860, 6937918, 10673720, 13875836, 17344795, 21347440, 27751672, 34689590, 55503344, 69379180, 138758360, 277516720]

約数ペア:

[(1, 277516720), (2, 138758360), (4, 69379180), (5, 55503344), (8, 34689590), (10, 27751672), (13, 21347440), (16, 17344795), (20, 13875836), (26, 10673720), (40, 6937918), (52, 5336860), (65, 4269488), (80, 3468959), (104, 2668430), (130, 2134744), (208, 1334215), (260, 1067372), (347, 799760), (520, 533686), (694, 399880), (769, 360880), (1040, 266843), (1388, 199940), (1538, 180440), (1735, 159952), (2776, 99970), (3076, 90220), (3470, 79976), (3845, 72176), (4511, 61520), (5552, 49985), (6152, 45110), (6940, 39988), (7690, 36088), (9022, 30760), (9997, 27760), (12304, 22555), (13880, 19994), (15380, 18044)]