20160178425

素因数分解:

$3^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{7937}}^1$

素因数の和:8080

約数の個数: 96

約数和(自身を含む): 38270050560

約数和(自身を除く): 18109872135

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 53, 71, 75, 135, 159, 213, 225, 265, 355, 477, 639, 675, 795, 1065, 1325, 1431, 1775, 1917, 2385, 3195, 3763, 3975, 5325, 7155, 7937, 9585, 11289, 11925, 15975, 18815, 23811, 33867, 35775, 39685, 47925, 56445, 71433, 94075, 101601, 119055, 169335, 198425, 214299, 282225, 357165, 420661, 508005, 563527, 595275, 846675, 1071495, 1261983, 1690581, 1785825, 2103305, 2540025, 2817635, 3785949, 5071743, 5357475, 6309915, 8452905, 10516525, 11357847, 14088175, 15215229, 18929745, 25358715, 29866931, 31549575, 42264525, 56789235, 76076145, 89600793, 94648725, 126793575, 149334655, 268802379, 283946175, 380380725, 448003965, 746673275, 806407137, 1344011895, 2240019825, 4032035685, 6720059475, 20160178425]

約数ペア:

[(1, 20160178425), (3, 6720059475), (5, 4032035685), (9, 2240019825), (15, 1344011895), (25, 806407137), (27, 746673275), (45, 448003965), (53, 380380725), (71, 283946175), (75, 268802379), (135, 149334655), (159, 126793575), (213, 94648725), (225, 89600793), (265, 76076145), (355, 56789235), (477, 42264525), (639, 31549575), (675, 29866931), (795, 25358715), (1065, 18929745), (1325, 15215229), (1431, 14088175), (1775, 11357847), (1917, 10516525), (2385, 8452905), (3195, 6309915), (3763, 5357475), (3975, 5071743), (5325, 3785949), (7155, 2817635), (7937, 2540025), (9585, 2103305), (11289, 1785825), (11925, 1690581), (15975, 1261983), (18815, 1071495), (23811, 846675), (33867, 595275), (35775, 563527), (39685, 508005), (47925, 420661), (56445, 357165), (71433, 282225), (94075, 214299), (101601, 198425), (119055, 169335)]