680107500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:378

約数の個数: 180

約数和(自身を含む): 2173066896

約数和(自身を除く): 1492959396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 167, 180, 181, 225, 250, 300, 334, 362, 375, 450, 500, 501, 543, 625, 668, 724, 750, 835, 900, 905, 1002, 1086, 1125, 1250, 1500, 1503, 1629, 1670, 1810, 1875, 2004, 2172, 2250, 2500, 2505, 2715, 3006, 3258, 3340, 3620, 3750, 4175, 4500, 4525, 5010, 5430, 5625, 6012, 6516, 7500, 7515, 8145, 8350, 9050, 10020, 10860, 11250, 12525, 13575, 15030, 16290, 16700, 18100, 20875, 22500, 22625, 25050, 27150, 30060, 30227, 32580, 37575, 40725, 41750, 45250, 50100, 54300, 60454, 62625, 67875, 75150, 81450, 83500, 90500, 90681, 104375, 113125, 120908, 125250, 135750, 150300, 151135, 162900, 181362, 187875, 203625, 208750, 226250, 250500, 271500, 272043, 302270, 313125, 339375, 362724, 375750, 407250, 417500, 452500, 453405, 544086, 604540, 626250, 678750, 751500, 755675, 814500, 906810, 939375, 1018125, 1088172, 1252500, 1357500, 1360215, 1511350, 1813620, 1878750, 2036250, 2267025, 2720430, 3022700, 3757500, 3778375, 4072500, 4534050, 5440860, 6801075, 7556750, 9068100, 11335125, 13602150, 15113500, 18891875, 22670250, 27204300, 34005375, 37783750, 45340500, 56675625, 68010750, 75567500, 113351250, 136021500, 170026875, 226702500, 340053750, 680107500]

約数ペア:

[(1, 680107500), (2, 340053750), (3, 226702500), (4, 170026875), (5, 136021500), (6, 113351250), (9, 75567500), (10, 68010750), (12, 56675625), (15, 45340500), (18, 37783750), (20, 34005375), (25, 27204300), (30, 22670250), (36, 18891875), (45, 15113500), (50, 13602150), (60, 11335125), (75, 9068100), (90, 7556750), (100, 6801075), (125, 5440860), (150, 4534050), (167, 4072500), (180, 3778375), (181, 3757500), (225, 3022700), (250, 2720430), (300, 2267025), (334, 2036250), (362, 1878750), (375, 1813620), (450, 1511350), (500, 1360215), (501, 1357500), (543, 1252500), (625, 1088172), (668, 1018125), (724, 939375), (750, 906810), (835, 814500), (900, 755675), (905, 751500), (1002, 678750), (1086, 626250), (1125, 604540), (1250, 544086), (1500, 453405), (1503, 452500), (1629, 417500), (1670, 407250), (1810, 375750), (1875, 362724), (2004, 339375), (2172, 313125), (2250, 302270), (2500, 272043), (2505, 271500), (2715, 250500), (3006, 226250), (3258, 208750), (3340, 203625), (3620, 187875), (3750, 181362), (4175, 162900), (4500, 151135), (4525, 150300), (5010, 135750), (5430, 125250), (5625, 120908), (6012, 113125), (6516, 104375), (7500, 90681), (7515, 90500), (8145, 83500), (8350, 81450), (9050, 75150), (10020, 67875), (10860, 62625), (11250, 60454), (12525, 54300), (13575, 50100), (15030, 45250), (16290, 41750), (16700, 40725), (18100, 37575), (20875, 32580), (22500, 30227), (22625, 30060), (25050, 27150)]