1640395380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{379}}^1$

素因数の和:614

約数の個数: 192

約数和(自身を含む): 5148057600

約数和(自身を除く): 3507662220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 179, 186, 195, 260, 310, 358, 372, 379, 390, 403, 465, 537, 620, 716, 758, 780, 806, 895, 930, 1074, 1137, 1209, 1516, 1612, 1790, 1860, 1895, 2015, 2148, 2274, 2327, 2418, 2685, 3580, 3790, 4030, 4548, 4654, 4836, 4927, 5370, 5549, 5685, 6045, 6981, 7580, 8060, 9308, 9854, 10740, 11098, 11370, 11635, 11749, 12090, 13962, 14781, 16647, 19708, 22196, 22740, 23270, 23498, 24180, 24635, 27745, 27924, 29562, 33294, 34905, 35247, 46540, 46996, 49270, 55490, 58745, 59124, 66588, 67841, 69810, 70494, 72137, 73905, 83235, 98540, 110980, 117490, 135682, 139620, 140988, 144274, 147810, 152737, 166470, 176235, 203523, 216411, 234980, 271364, 288548, 295620, 305474, 332940, 339205, 352470, 360685, 407046, 432822, 458211, 610948, 678410, 704940, 721370, 763685, 814092, 865644, 881933, 916422, 1017615, 1082055, 1356820, 1442740, 1527370, 1763866, 1832844, 2035230, 2103071, 2164110, 2291055, 2645799, 3054740, 3527732, 4070460, 4206142, 4328220, 4409665, 4582110, 5291598, 6309213, 8412284, 8819330, 9164220, 10515355, 10583196, 12618426, 13228995, 17638660, 21030710, 25236852, 26457990, 27339923, 31546065, 42061420, 52915980, 54679846, 63092130, 82019769, 109359692, 126184260, 136699615, 164039538, 273399230, 328079076, 410098845, 546798460, 820197690, 1640395380]

約数ペア:

[(1, 1640395380), (2, 820197690), (3, 546798460), (4, 410098845), (5, 328079076), (6, 273399230), (10, 164039538), (12, 136699615), (13, 126184260), (15, 109359692), (20, 82019769), (26, 63092130), (30, 54679846), (31, 52915980), (39, 42061420), (52, 31546065), (60, 27339923), (62, 26457990), (65, 25236852), (78, 21030710), (93, 17638660), (124, 13228995), (130, 12618426), (155, 10583196), (156, 10515355), (179, 9164220), (186, 8819330), (195, 8412284), (260, 6309213), (310, 5291598), (358, 4582110), (372, 4409665), (379, 4328220), (390, 4206142), (403, 4070460), (465, 3527732), (537, 3054740), (620, 2645799), (716, 2291055), (758, 2164110), (780, 2103071), (806, 2035230), (895, 1832844), (930, 1763866), (1074, 1527370), (1137, 1442740), (1209, 1356820), (1516, 1082055), (1612, 1017615), (1790, 916422), (1860, 881933), (1895, 865644), (2015, 814092), (2148, 763685), (2274, 721370), (2327, 704940), (2418, 678410), (2685, 610948), (3580, 458211), (3790, 432822), (4030, 407046), (4548, 360685), (4654, 352470), (4836, 339205), (4927, 332940), (5370, 305474), (5549, 295620), (5685, 288548), (6045, 271364), (6981, 234980), (7580, 216411), (8060, 203523), (9308, 176235), (9854, 166470), (10740, 152737), (11098, 147810), (11370, 144274), (11635, 140988), (11749, 139620), (12090, 135682), (13962, 117490), (14781, 110980), (16647, 98540), (19708, 83235), (22196, 73905), (22740, 72137), (23270, 70494), (23498, 69810), (24180, 67841), (24635, 66588), (27745, 59124), (27924, 58745), (29562, 55490), (33294, 49270), (34905, 46996), (35247, 46540)]