191921520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1609}}^1$

素因数の和:1703

約数の個数: 160

約数和(自身を含む): 689955840

約数和(自身を除く): 498034320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 71, 80, 84, 105, 112, 120, 140, 142, 168, 210, 213, 240, 280, 284, 336, 355, 420, 426, 497, 560, 568, 710, 840, 852, 994, 1065, 1136, 1420, 1491, 1609, 1680, 1704, 1988, 2130, 2485, 2840, 2982, 3218, 3408, 3976, 4260, 4827, 4970, 5680, 5964, 6436, 7455, 7952, 8045, 8520, 9654, 9940, 11263, 11928, 12872, 14910, 16090, 17040, 19308, 19880, 22526, 23856, 24135, 25744, 29820, 32180, 33789, 38616, 39760, 45052, 48270, 56315, 59640, 64360, 67578, 77232, 90104, 96540, 112630, 114239, 119280, 128720, 135156, 168945, 180208, 193080, 225260, 228478, 270312, 337890, 342717, 386160, 450520, 456956, 540624, 571195, 675780, 685434, 799673, 901040, 913912, 1142390, 1351560, 1370868, 1599346, 1713585, 1827824, 2284780, 2399019, 2703120, 2741736, 3198692, 3427170, 3998365, 4569560, 4798038, 5483472, 6397384, 6854340, 7996730, 9139120, 9596076, 11995095, 12794768, 13708680, 15993460, 19192152, 23990190, 27417360, 31986920, 38384304, 47980380, 63973840, 95960760, 191921520]

約数ペア:

[(1, 191921520), (2, 95960760), (3, 63973840), (4, 47980380), (5, 38384304), (6, 31986920), (7, 27417360), (8, 23990190), (10, 19192152), (12, 15993460), (14, 13708680), (15, 12794768), (16, 11995095), (20, 9596076), (21, 9139120), (24, 7996730), (28, 6854340), (30, 6397384), (35, 5483472), (40, 4798038), (42, 4569560), (48, 3998365), (56, 3427170), (60, 3198692), (70, 2741736), (71, 2703120), (80, 2399019), (84, 2284780), (105, 1827824), (112, 1713585), (120, 1599346), (140, 1370868), (142, 1351560), (168, 1142390), (210, 913912), (213, 901040), (240, 799673), (280, 685434), (284, 675780), (336, 571195), (355, 540624), (420, 456956), (426, 450520), (497, 386160), (560, 342717), (568, 337890), (710, 270312), (840, 228478), (852, 225260), (994, 193080), (1065, 180208), (1136, 168945), (1420, 135156), (1491, 128720), (1609, 119280), (1680, 114239), (1704, 112630), (1988, 96540), (2130, 90104), (2485, 77232), (2840, 67578), (2982, 64360), (3218, 59640), (3408, 56315), (3976, 48270), (4260, 45052), (4827, 39760), (4970, 38616), (5680, 33789), (5964, 32180), (6436, 29820), (7455, 25744), (7952, 24135), (8045, 23856), (8520, 22526), (9654, 19880), (9940, 19308), (11263, 17040), (11928, 16090), (12872, 14910)]