1615900

素因数分解:

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

素因数の和:151

約数の個数: 72

約数和(自身を含む): 4155984

約数和(自身を除く): 2540084

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 113, 130, 143, 220, 226, 260, 275, 286, 325, 452, 550, 565, 572, 650, 715, 1100, 1130, 1243, 1300, 1430, 1469, 2260, 2486, 2825, 2860, 2938, 3575, 4972, 5650, 5876, 6215, 7150, 7345, 11300, 12430, 14300, 14690, 16159, 24860, 29380, 31075, 32318, 36725, 62150, 64636, 73450, 80795, 124300, 146900, 161590, 323180, 403975, 807950, 1615900]

約数ペア:

[(1, 1615900), (2, 807950), (4, 403975), (5, 323180), (10, 161590), (11, 146900), (13, 124300), (20, 80795), (22, 73450), (25, 64636), (26, 62150), (44, 36725), (50, 32318), (52, 31075), (55, 29380), (65, 24860), (100, 16159), (110, 14690), (113, 14300), (130, 12430), (143, 11300), (220, 7345), (226, 7150), (260, 6215), (275, 5876), (286, 5650), (325, 4972), (452, 3575), (550, 2938), (565, 2860), (572, 2825), (650, 2486), (715, 2260), (1100, 1469), (1130, 1430), (1243, 1300)]