80974140

素因数分解:

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

素因数の和:103838

約数の個数: 48

約数和(自身を含む): 244170528

約数和(自身を除く): 163196388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 103813, 207626, 311439, 415252, 519065, 622878, 1038130, 1245756, 1349569, 1557195, 2076260, 2699138, 3114390, 4048707, 5398276, 6228780, 6747845, 8097414, 13495690, 16194828, 20243535, 26991380, 40487070, 80974140]

約数ペア:

[(1, 80974140), (2, 40487070), (3, 26991380), (4, 20243535), (5, 16194828), (6, 13495690), (10, 8097414), (12, 6747845), (13, 6228780), (15, 5398276), (20, 4048707), (26, 3114390), (30, 2699138), (39, 2076260), (52, 1557195), (60, 1349569), (65, 1245756), (78, 1038130), (130, 622878), (156, 519065), (195, 415252), (260, 311439), (390, 207626), (780, 103813)]