111511180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:172

約数の個数: 96

約数和(自身を含む): 265628160

約数和(自身を除く): 154116980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 71, 110, 118, 121, 142, 220, 236, 242, 284, 295, 355, 484, 590, 605, 649, 710, 781, 1180, 1210, 1298, 1331, 1420, 1562, 2420, 2596, 2662, 3124, 3245, 3905, 4189, 5324, 6490, 6655, 7139, 7810, 8378, 8591, 12980, 13310, 14278, 15620, 16756, 17182, 20945, 26620, 28556, 34364, 35695, 41890, 42955, 46079, 71390, 78529, 83780, 85910, 92158, 94501, 142780, 157058, 171820, 184316, 189002, 230395, 314116, 378004, 392645, 460790, 472505, 506869, 785290, 921580, 945010, 1013738, 1570580, 1890020, 2027476, 2534345, 5068690, 5575559, 10137380, 11151118, 22302236, 27877795, 55755590, 111511180]

約数ペア:

[(1, 111511180), (2, 55755590), (4, 27877795), (5, 22302236), (10, 11151118), (11, 10137380), (20, 5575559), (22, 5068690), (44, 2534345), (55, 2027476), (59, 1890020), (71, 1570580), (110, 1013738), (118, 945010), (121, 921580), (142, 785290), (220, 506869), (236, 472505), (242, 460790), (284, 392645), (295, 378004), (355, 314116), (484, 230395), (590, 189002), (605, 184316), (649, 171820), (710, 157058), (781, 142780), (1180, 94501), (1210, 92158), (1298, 85910), (1331, 83780), (1420, 78529), (1562, 71390), (2420, 46079), (2596, 42955), (2662, 41890), (3124, 35695), (3245, 34364), (3905, 28556), (4189, 26620), (5324, 20945), (6490, 17182), (6655, 16756), (7139, 15620), (7810, 14278), (8378, 13310), (8591, 12980)]