161948280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103813}}^1$

素因数の和:103840

約数の個数: 64

約数和(自身を含む): 523222560

約数和(自身を除く): 361274280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 103813, 207626, 311439, 415252, 519065, 622878, 830504, 1038130, 1245756, 1349569, 1557195, 2076260, 2491512, 2699138, 3114390, 4048707, 4152520, 5398276, 6228780, 6747845, 8097414, 10796552, 12457560, 13495690, 16194828, 20243535, 26991380, 32389656, 40487070, 53982760, 80974140, 161948280]

約数ペア:

[(1, 161948280), (2, 80974140), (3, 53982760), (4, 40487070), (5, 32389656), (6, 26991380), (8, 20243535), (10, 16194828), (12, 13495690), (13, 12457560), (15, 10796552), (20, 8097414), (24, 6747845), (26, 6228780), (30, 5398276), (39, 4152520), (40, 4048707), (52, 3114390), (60, 2699138), (65, 2491512), (78, 2076260), (104, 1557195), (120, 1349569), (130, 1245756), (156, 1038130), (195, 830504), (260, 622878), (312, 519065), (390, 415252), (520, 311439), (780, 207626), (1560, 103813)]