55378180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 147301056

約数和(自身を除く): 91922876

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 34, 44, 52, 55, 65, 67, 68, 85, 110, 130, 134, 143, 170, 187, 220, 221, 260, 268, 286, 289, 335, 340, 374, 442, 572, 578, 670, 715, 737, 748, 871, 884, 935, 1105, 1139, 1156, 1340, 1430, 1445, 1474, 1742, 1870, 2210, 2278, 2431, 2860, 2890, 2948, 3179, 3484, 3685, 3740, 3757, 4355, 4420, 4556, 4862, 5695, 5780, 6358, 7370, 7514, 8710, 9581, 9724, 11390, 12155, 12529, 12716, 14740, 14807, 15028, 15895, 17420, 18785, 19162, 19363, 22780, 24310, 25058, 29614, 31790, 37570, 38324, 38726, 41327, 47905, 48620, 50116, 59228, 62645, 63580, 74035, 75140, 77452, 82654, 95810, 96815, 125290, 148070, 162877, 165308, 191620, 193630, 206635, 212993, 250580, 251719, 296140, 325754, 387260, 413270, 425986, 503438, 651508, 814385, 826540, 851972, 1006876, 1064965, 1258595, 1628770, 2129930, 2517190, 2768909, 3257540, 4259860, 5034380, 5537818, 11075636, 13844545, 27689090, 55378180]

約数ペア:

[(1, 55378180), (2, 27689090), (4, 13844545), (5, 11075636), (10, 5537818), (11, 5034380), (13, 4259860), (17, 3257540), (20, 2768909), (22, 2517190), (26, 2129930), (34, 1628770), (44, 1258595), (52, 1064965), (55, 1006876), (65, 851972), (67, 826540), (68, 814385), (85, 651508), (110, 503438), (130, 425986), (134, 413270), (143, 387260), (170, 325754), (187, 296140), (220, 251719), (221, 250580), (260, 212993), (268, 206635), (286, 193630), (289, 191620), (335, 165308), (340, 162877), (374, 148070), (442, 125290), (572, 96815), (578, 95810), (670, 82654), (715, 77452), (737, 75140), (748, 74035), (871, 63580), (884, 62645), (935, 59228), (1105, 50116), (1139, 48620), (1156, 47905), (1340, 41327), (1430, 38726), (1445, 38324), (1474, 37570), (1742, 31790), (1870, 29614), (2210, 25058), (2278, 24310), (2431, 22780), (2860, 19363), (2890, 19162), (2948, 18785), (3179, 17420), (3484, 15895), (3685, 15028), (3740, 14807), (3757, 14740), (4355, 12716), (4420, 12529), (4556, 12155), (4862, 11390), (5695, 9724), (5780, 9581), (6358, 8710), (7370, 7514)]