649263680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1609}}^1$

素因数の和:1736

約数の個数: 112

約数和(自身を含む): 1683197040

約数和(自身を除く): 1033933360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 97, 104, 130, 160, 194, 208, 260, 320, 388, 416, 485, 520, 776, 832, 970, 1040, 1261, 1552, 1609, 1940, 2080, 2522, 3104, 3218, 3880, 4160, 5044, 6208, 6305, 6436, 7760, 8045, 10088, 12610, 12872, 15520, 16090, 20176, 20917, 25220, 25744, 31040, 32180, 40352, 41834, 50440, 51488, 64360, 80704, 83668, 100880, 102976, 104585, 128720, 156073, 167336, 201760, 209170, 257440, 312146, 334672, 403520, 418340, 514880, 624292, 669344, 780365, 836680, 1248584, 1338688, 1560730, 1673360, 2028949, 2497168, 3121460, 3346720, 4057898, 4994336, 6242920, 6693440, 8115796, 9988672, 10144745, 12485840, 16231592, 20289490, 24971680, 32463184, 40578980, 49943360, 64926368, 81157960, 129852736, 162315920, 324631840, 649263680]

約数ペア:

[(1, 649263680), (2, 324631840), (4, 162315920), (5, 129852736), (8, 81157960), (10, 64926368), (13, 49943360), (16, 40578980), (20, 32463184), (26, 24971680), (32, 20289490), (40, 16231592), (52, 12485840), (64, 10144745), (65, 9988672), (80, 8115796), (97, 6693440), (104, 6242920), (130, 4994336), (160, 4057898), (194, 3346720), (208, 3121460), (260, 2497168), (320, 2028949), (388, 1673360), (416, 1560730), (485, 1338688), (520, 1248584), (776, 836680), (832, 780365), (970, 669344), (1040, 624292), (1261, 514880), (1552, 418340), (1609, 403520), (1940, 334672), (2080, 312146), (2522, 257440), (3104, 209170), (3218, 201760), (3880, 167336), (4160, 156073), (5044, 128720), (6208, 104585), (6305, 102976), (6436, 100880), (7760, 83668), (8045, 80704), (10088, 64360), (12610, 51488), (12872, 50440), (15520, 41834), (16090, 40352), (20176, 32180), (20917, 31040), (25220, 25744)]