67686075

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 129991680

約数和(自身を除く): 62305605

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 71, 75, 95, 171, 213, 223, 225, 285, 355, 475, 639, 669, 855, 1065, 1115, 1349, 1425, 1775, 2007, 3195, 3345, 4047, 4237, 4275, 5325, 5575, 6745, 10035, 12141, 12711, 15833, 15975, 16725, 20235, 21185, 33725, 38133, 47499, 50175, 60705, 63555, 79165, 101175, 105925, 142497, 190665, 237495, 300827, 303525, 317775, 395825, 712485, 902481, 953325, 1187475, 1504135, 2707443, 3562425, 4512405, 7520675, 13537215, 22562025, 67686075]

約数ペア:

[(1, 67686075), (3, 22562025), (5, 13537215), (9, 7520675), (15, 4512405), (19, 3562425), (25, 2707443), (45, 1504135), (57, 1187475), (71, 953325), (75, 902481), (95, 712485), (171, 395825), (213, 317775), (223, 303525), (225, 300827), (285, 237495), (355, 190665), (475, 142497), (639, 105925), (669, 101175), (855, 79165), (1065, 63555), (1115, 60705), (1349, 50175), (1425, 47499), (1775, 38133), (2007, 33725), (3195, 21185), (3345, 20235), (4047, 16725), (4237, 15975), (4275, 15833), (5325, 12711), (5575, 12141), (6745, 10035)]