121440540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155693}}^1$

素因数の和:155718

約数の個数: 48

約数和(自身を含む): 366192288

約数和(自身を除く): 244751748

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, 155693, 311386, 467079, 622772, 778465, 934158, 1556930, 1868316, 2024009, 2335395, 3113860, 4048018, 4670790, 6072027, 8096036, 9341580, 10120045, 12144054, 20240090, 24288108, 30360135, 40480180, 60720270, 121440540]

約数ペア:

[(1, 121440540), (2, 60720270), (3, 40480180), (4, 30360135), (5, 24288108), (6, 20240090), (10, 12144054), (12, 10120045), (13, 9341580), (15, 8096036), (20, 6072027), (26, 4670790), (30, 4048018), (39, 3113860), (52, 2335395), (60, 2024009), (65, 1868316), (78, 1556930), (130, 934158), (156, 778465), (195, 622772), (260, 467079), (390, 311386), (780, 155693)]