19621680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:379

約数の個数: 160

約数和(自身を含む): 69162240

約数和(自身を除く): 49540560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 331, 380, 390, 456, 494, 520, 570, 624, 662, 741, 760, 780, 912, 988, 993, 1040, 1140, 1235, 1324, 1482, 1520, 1560, 1655, 1976, 1986, 2280, 2470, 2648, 2964, 3120, 3310, 3705, 3952, 3972, 4303, 4560, 4940, 4965, 5296, 5928, 6289, 6620, 7410, 7944, 8606, 9880, 9930, 11856, 12578, 12909, 13240, 14820, 15888, 17212, 18867, 19760, 19860, 21515, 25156, 25818, 26480, 29640, 31445, 34424, 37734, 39720, 43030, 50312, 51636, 59280, 62890, 64545, 68848, 75468, 79440, 81757, 86060, 94335, 100624, 103272, 125780, 129090, 150936, 163514, 172120, 188670, 206544, 245271, 251560, 258180, 301872, 327028, 344240, 377340, 408785, 490542, 503120, 516360, 654056, 754680, 817570, 981084, 1032720, 1226355, 1308112, 1509360, 1635140, 1962168, 2452710, 3270280, 3924336, 4905420, 6540560, 9810840, 19621680]

約数ペア:

[(1, 19621680), (2, 9810840), (3, 6540560), (4, 4905420), (5, 3924336), (6, 3270280), (8, 2452710), (10, 1962168), (12, 1635140), (13, 1509360), (15, 1308112), (16, 1226355), (19, 1032720), (20, 981084), (24, 817570), (26, 754680), (30, 654056), (38, 516360), (39, 503120), (40, 490542), (48, 408785), (52, 377340), (57, 344240), (60, 327028), (65, 301872), (76, 258180), (78, 251560), (80, 245271), (95, 206544), (104, 188670), (114, 172120), (120, 163514), (130, 150936), (152, 129090), (156, 125780), (190, 103272), (195, 100624), (208, 94335), (228, 86060), (240, 81757), (247, 79440), (260, 75468), (285, 68848), (304, 64545), (312, 62890), (331, 59280), (380, 51636), (390, 50312), (456, 43030), (494, 39720), (520, 37734), (570, 34424), (624, 31445), (662, 29640), (741, 26480), (760, 25818), (780, 25156), (912, 21515), (988, 19860), (993, 19760), (1040, 18867), (1140, 17212), (1235, 15888), (1324, 14820), (1482, 13240), (1520, 12909), (1560, 12578), (1655, 11856), (1976, 9930), (1986, 9880), (2280, 8606), (2470, 7944), (2648, 7410), (2964, 6620), (3120, 6289), (3310, 5928), (3705, 5296), (3952, 4965), (3972, 4940), (4303, 4560)]