642387900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27809}}^1$

素因数の和:27844

約数の個数: 144

約数和(自身を含む): 2317351680

約数和(自身を除く): 1674963780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 30, 33, 35, 42, 44, 50, 55, 60, 66, 70, 75, 77, 84, 100, 105, 110, 132, 140, 150, 154, 165, 175, 210, 220, 231, 275, 300, 308, 330, 350, 385, 420, 462, 525, 550, 660, 700, 770, 825, 924, 1050, 1100, 1155, 1540, 1650, 1925, 2100, 2310, 3300, 3850, 4620, 5775, 7700, 11550, 23100, 27809, 55618, 83427, 111236, 139045, 166854, 194663, 278090, 305899, 333708, 389326, 417135, 556180, 583989, 611798, 695225, 778652, 834270, 917697, 973315, 1167978, 1223596, 1390450, 1529495, 1668540, 1835394, 1946630, 2085675, 2141293, 2335956, 2780900, 2919945, 3058990, 3670788, 3893260, 4171350, 4282586, 4588485, 4866575, 5839890, 6117980, 6423879, 7647475, 8342700, 8565172, 9176970, 9733150, 10706465, 11679780, 12847758, 14599725, 15294950, 18353940, 19466300, 21412930, 22942425, 25695516, 29199450, 30589900, 32119395, 42825860, 45884850, 53532325, 58398900, 64238790, 91769700, 107064650, 128477580, 160596975, 214129300, 321193950, 642387900]

約数ペア:

[(1, 642387900), (2, 321193950), (3, 214129300), (4, 160596975), (5, 128477580), (6, 107064650), (7, 91769700), (10, 64238790), (11, 58398900), (12, 53532325), (14, 45884850), (15, 42825860), (20, 32119395), (21, 30589900), (22, 29199450), (25, 25695516), (28, 22942425), (30, 21412930), (33, 19466300), (35, 18353940), (42, 15294950), (44, 14599725), (50, 12847758), (55, 11679780), (60, 10706465), (66, 9733150), (70, 9176970), (75, 8565172), (77, 8342700), (84, 7647475), (100, 6423879), (105, 6117980), (110, 5839890), (132, 4866575), (140, 4588485), (150, 4282586), (154, 4171350), (165, 3893260), (175, 3670788), (210, 3058990), (220, 2919945), (231, 2780900), (275, 2335956), (300, 2141293), (308, 2085675), (330, 1946630), (350, 1835394), (385, 1668540), (420, 1529495), (462, 1390450), (525, 1223596), (550, 1167978), (660, 973315), (700, 917697), (770, 834270), (825, 778652), (924, 695225), (1050, 611798), (1100, 583989), (1155, 556180), (1540, 417135), (1650, 389326), (1925, 333708), (2100, 305899), (2310, 278090), (3300, 194663), (3850, 166854), (4620, 139045), (5775, 111236), (7700, 83427), (11550, 55618), (23100, 27809)]