668289375

素因数分解:

$3^2\times 5^4\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:108

約数の個数: 180

約数和(自身を含む): 1412079240

約数和(自身を除く): 743789865

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 37, 39, 45, 57, 65, 75, 95, 111, 117, 125, 169, 171, 185, 195, 225, 247, 285, 325, 333, 375, 475, 481, 507, 555, 585, 625, 703, 741, 845, 855, 925, 975, 1125, 1235, 1425, 1443, 1521, 1625, 1665, 1875, 2109, 2223, 2375, 2405, 2535, 2775, 2925, 3211, 3515, 3705, 4225, 4275, 4329, 4625, 4875, 5625, 6175, 6253, 6327, 7125, 7215, 7605, 8125, 8325, 9139, 9633, 10545, 11115, 11875, 12025, 12675, 13875, 14625, 16055, 17575, 18525, 18759, 21125, 21375, 21645, 23125, 24375, 27417, 28899, 30875, 31265, 31635, 35625, 36075, 38025, 41625, 45695, 48165, 52725, 55575, 56277, 60125, 63375, 69375, 73125, 80275, 82251, 87875, 92625, 93795, 105625, 106875, 108225, 118807, 137085, 144495, 154375, 156325, 158175, 180375, 190125, 208125, 228475, 240825, 263625, 277875, 281385, 300625, 316875, 356421, 401375, 411255, 439375, 463125, 468975, 541125, 594035, 685425, 722475, 781625, 790875, 901875, 950625, 1069263, 1142375, 1204125, 1318125, 1389375, 1406925, 1782105, 2006875, 2056275, 2344875, 2705625, 2970175, 3427125, 3612375, 3908125, 3954375, 5346315, 5711875, 6020625, 7034625, 8910525, 10281375, 11724375, 14850875, 17135625, 18061875, 26731575, 35173125, 44552625, 51406875, 74254375, 133657875, 222763125, 668289375]

約数ペア:

[(1, 668289375), (3, 222763125), (5, 133657875), (9, 74254375), (13, 51406875), (15, 44552625), (19, 35173125), (25, 26731575), (37, 18061875), (39, 17135625), (45, 14850875), (57, 11724375), (65, 10281375), (75, 8910525), (95, 7034625), (111, 6020625), (117, 5711875), (125, 5346315), (169, 3954375), (171, 3908125), (185, 3612375), (195, 3427125), (225, 2970175), (247, 2705625), (285, 2344875), (325, 2056275), (333, 2006875), (375, 1782105), (475, 1406925), (481, 1389375), (507, 1318125), (555, 1204125), (585, 1142375), (625, 1069263), (703, 950625), (741, 901875), (845, 790875), (855, 781625), (925, 722475), (975, 685425), (1125, 594035), (1235, 541125), (1425, 468975), (1443, 463125), (1521, 439375), (1625, 411255), (1665, 401375), (1875, 356421), (2109, 316875), (2223, 300625), (2375, 281385), (2405, 277875), (2535, 263625), (2775, 240825), (2925, 228475), (3211, 208125), (3515, 190125), (3705, 180375), (4225, 158175), (4275, 156325), (4329, 154375), (4625, 144495), (4875, 137085), (5625, 118807), (6175, 108225), (6253, 106875), (6327, 105625), (7125, 93795), (7215, 92625), (7605, 87875), (8125, 82251), (8325, 80275), (9139, 73125), (9633, 69375), (10545, 63375), (11115, 60125), (11875, 56277), (12025, 55575), (12675, 52725), (13875, 48165), (14625, 45695), (16055, 41625), (17575, 38025), (18525, 36075), (18759, 35625), (21125, 31635), (21375, 31265), (21645, 30875), (23125, 28899), (24375, 27417)]