1021709880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^2\times {\mathrm{563}}^1$

素因数の和:722

約数の個数: 144

約数和(自身を含む): 3373966440

約数和(自身を除く): 2352256560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 120, 142, 180, 213, 284, 355, 360, 426, 563, 568, 639, 710, 852, 1065, 1126, 1278, 1420, 1689, 1704, 2130, 2252, 2556, 2815, 2840, 3195, 3378, 4260, 4504, 5041, 5067, 5112, 5630, 6390, 6756, 8445, 8520, 10082, 10134, 11260, 12780, 13512, 15123, 16890, 20164, 20268, 22520, 25205, 25335, 25560, 30246, 33780, 39973, 40328, 40536, 45369, 50410, 50670, 60492, 67560, 75615, 79946, 90738, 100820, 101340, 119919, 120984, 151230, 159892, 181476, 199865, 201640, 202680, 226845, 239838, 302460, 319784, 359757, 362952, 399730, 453690, 479676, 599595, 604920, 719514, 799460, 907380, 959352, 1199190, 1439028, 1598920, 1798785, 1814760, 2398380, 2838083, 2878056, 3597570, 4796760, 5676166, 7195140, 8514249, 11352332, 14190415, 14390280, 17028498, 22704664, 25542747, 28380830, 34056996, 42571245, 51085494, 56761660, 68113992, 85142490, 102170988, 113523320, 127713735, 170284980, 204341976, 255427470, 340569960, 510854940, 1021709880]

約数ペア:

[(1, 1021709880), (2, 510854940), (3, 340569960), (4, 255427470), (5, 204341976), (6, 170284980), (8, 127713735), (9, 113523320), (10, 102170988), (12, 85142490), (15, 68113992), (18, 56761660), (20, 51085494), (24, 42571245), (30, 34056996), (36, 28380830), (40, 25542747), (45, 22704664), (60, 17028498), (71, 14390280), (72, 14190415), (90, 11352332), (120, 8514249), (142, 7195140), (180, 5676166), (213, 4796760), (284, 3597570), (355, 2878056), (360, 2838083), (426, 2398380), (563, 1814760), (568, 1798785), (639, 1598920), (710, 1439028), (852, 1199190), (1065, 959352), (1126, 907380), (1278, 799460), (1420, 719514), (1689, 604920), (1704, 599595), (2130, 479676), (2252, 453690), (2556, 399730), (2815, 362952), (2840, 359757), (3195, 319784), (3378, 302460), (4260, 239838), (4504, 226845), (5041, 202680), (5067, 201640), (5112, 199865), (5630, 181476), (6390, 159892), (6756, 151230), (8445, 120984), (8520, 119919), (10082, 101340), (10134, 100820), (11260, 90738), (12780, 79946), (13512, 75615), (15123, 67560), (16890, 60492), (20164, 50670), (20268, 50410), (22520, 45369), (25205, 40536), (25335, 40328), (25560, 39973), (30246, 33780)]