641062800

素因数分解:

$2^4\times 3^2\times 5^2\times 7^1\times {\mathrm{25439}}^1$

素因数の和:25470

約数の個数: 180

約数和(自身を含む): 2542575360

約数和(自身を除く): 1901512560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 100, 105, 112, 120, 126, 140, 144, 150, 168, 175, 180, 200, 210, 225, 240, 252, 280, 300, 315, 336, 350, 360, 400, 420, 450, 504, 525, 560, 600, 630, 700, 720, 840, 900, 1008, 1050, 1200, 1260, 1400, 1575, 1680, 1800, 2100, 2520, 2800, 3150, 3600, 4200, 5040, 6300, 8400, 12600, 25200, 25439, 50878, 76317, 101756, 127195, 152634, 178073, 203512, 228951, 254390, 305268, 356146, 381585, 407024, 457902, 508780, 534219, 610536, 635975, 712292, 763170, 890365, 915804, 1017560, 1068438, 1144755, 1221072, 1271950, 1424584, 1526340, 1602657, 1780730, 1831608, 1907925, 2035120, 2136876, 2289510, 2543900, 2671095, 2849168, 3052680, 3205314, 3561460, 3663216, 3815850, 4273752, 4451825, 4579020, 5087800, 5342190, 5723775, 6105360, 6410628, 7122920, 7631700, 8013285, 8547504, 8903650, 9158040, 10175600, 10684380, 11447550, 12821256, 13355475, 14245840, 15263400, 16026570, 17807300, 18316080, 21368760, 22895100, 25642512, 26710950, 30526800, 32053140, 35614600, 40066425, 42737520, 45790200, 53421900, 64106280, 71229200, 80132850, 91580400, 106843800, 128212560, 160265700, 213687600, 320531400, 641062800]

約数ペア:

[(1, 641062800), (2, 320531400), (3, 213687600), (4, 160265700), (5, 128212560), (6, 106843800), (7, 91580400), (8, 80132850), (9, 71229200), (10, 64106280), (12, 53421900), (14, 45790200), (15, 42737520), (16, 40066425), (18, 35614600), (20, 32053140), (21, 30526800), (24, 26710950), (25, 25642512), (28, 22895100), (30, 21368760), (35, 18316080), (36, 17807300), (40, 16026570), (42, 15263400), (45, 14245840), (48, 13355475), (50, 12821256), (56, 11447550), (60, 10684380), (63, 10175600), (70, 9158040), (72, 8903650), (75, 8547504), (80, 8013285), (84, 7631700), (90, 7122920), (100, 6410628), (105, 6105360), (112, 5723775), (120, 5342190), (126, 5087800), (140, 4579020), (144, 4451825), (150, 4273752), (168, 3815850), (175, 3663216), (180, 3561460), (200, 3205314), (210, 3052680), (225, 2849168), (240, 2671095), (252, 2543900), (280, 2289510), (300, 2136876), (315, 2035120), (336, 1907925), (350, 1831608), (360, 1780730), (400, 1602657), (420, 1526340), (450, 1424584), (504, 1271950), (525, 1221072), (560, 1144755), (600, 1068438), (630, 1017560), (700, 915804), (720, 890365), (840, 763170), (900, 712292), (1008, 635975), (1050, 610536), (1200, 534219), (1260, 508780), (1400, 457902), (1575, 407024), (1680, 381585), (1800, 356146), (2100, 305268), (2520, 254390), (2800, 228951), (3150, 203512), (3600, 178073), (4200, 152634), (5040, 127195), (6300, 101756), (8400, 76317), (12600, 50878), (25200, 25439)]