31222500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:231

約数の個数: 120

約数和(自身を含む): 95519424

約数和(自身を除く): 64296924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 75, 92, 100, 115, 125, 138, 150, 181, 230, 250, 276, 300, 345, 362, 375, 460, 500, 543, 575, 625, 690, 724, 750, 905, 1086, 1150, 1250, 1380, 1500, 1725, 1810, 1875, 2172, 2300, 2500, 2715, 2875, 3450, 3620, 3750, 4163, 4525, 5430, 5750, 6900, 7500, 8326, 8625, 9050, 10860, 11500, 12489, 13575, 14375, 16652, 17250, 18100, 20815, 22625, 24978, 27150, 28750, 34500, 41630, 43125, 45250, 49956, 54300, 57500, 62445, 67875, 83260, 86250, 90500, 104075, 113125, 124890, 135750, 172500, 208150, 226250, 249780, 271500, 312225, 339375, 416300, 452500, 520375, 624450, 678750, 1040750, 1248900, 1357500, 1561125, 2081500, 2601875, 3122250, 5203750, 6244500, 7805625, 10407500, 15611250, 31222500]

約数ペア:

[(1, 31222500), (2, 15611250), (3, 10407500), (4, 7805625), (5, 6244500), (6, 5203750), (10, 3122250), (12, 2601875), (15, 2081500), (20, 1561125), (23, 1357500), (25, 1248900), (30, 1040750), (46, 678750), (50, 624450), (60, 520375), (69, 452500), (75, 416300), (92, 339375), (100, 312225), (115, 271500), (125, 249780), (138, 226250), (150, 208150), (181, 172500), (230, 135750), (250, 124890), (276, 113125), (300, 104075), (345, 90500), (362, 86250), (375, 83260), (460, 67875), (500, 62445), (543, 57500), (575, 54300), (625, 49956), (690, 45250), (724, 43125), (750, 41630), (905, 34500), (1086, 28750), (1150, 27150), (1250, 24978), (1380, 22625), (1500, 20815), (1725, 18100), (1810, 17250), (1875, 16652), (2172, 14375), (2300, 13575), (2500, 12489), (2715, 11500), (2875, 10860), (3450, 9050), (3620, 8625), (3750, 8326), (4163, 7500), (4525, 6900), (5430, 5750)]