646360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:148

約数の個数: 64

約数和(自身を含む): 1723680

約数和(自身を除く): 1077320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 113, 130, 143, 220, 226, 260, 286, 440, 452, 520, 565, 572, 715, 904, 1130, 1144, 1243, 1430, 1469, 2260, 2486, 2860, 2938, 4520, 4972, 5720, 5876, 6215, 7345, 9944, 11752, 12430, 14690, 16159, 24860, 29380, 32318, 49720, 58760, 64636, 80795, 129272, 161590, 323180, 646360]

約数ペア:

[(1, 646360), (2, 323180), (4, 161590), (5, 129272), (8, 80795), (10, 64636), (11, 58760), (13, 49720), (20, 32318), (22, 29380), (26, 24860), (40, 16159), (44, 14690), (52, 12430), (55, 11752), (65, 9944), (88, 7345), (104, 6215), (110, 5876), (113, 5720), (130, 4972), (143, 4520), (220, 2938), (226, 2860), (260, 2486), (286, 2260), (440, 1469), (452, 1430), (520, 1243), (565, 1144), (572, 1130), (715, 904)]