29891440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:770

約数の個数: 80

約数和(自身を含む): 76066560

約数和(自身を除く): 46175120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 709, 1054, 1240, 1360, 1418, 2108, 2480, 2635, 2836, 3545, 4216, 5270, 5672, 7090, 8432, 10540, 11344, 12053, 14180, 21080, 21979, 24106, 28360, 42160, 43958, 48212, 56720, 60265, 87916, 96424, 109895, 120530, 175832, 192848, 219790, 241060, 351664, 373643, 439580, 482120, 747286, 879160, 964240, 1494572, 1758320, 1868215, 2989144, 3736430, 5978288, 7472860, 14945720, 29891440]

約数ペア:

[(1, 29891440), (2, 14945720), (4, 7472860), (5, 5978288), (8, 3736430), (10, 2989144), (16, 1868215), (17, 1758320), (20, 1494572), (31, 964240), (34, 879160), (40, 747286), (62, 482120), (68, 439580), (80, 373643), (85, 351664), (124, 241060), (136, 219790), (155, 192848), (170, 175832), (248, 120530), (272, 109895), (310, 96424), (340, 87916), (496, 60265), (527, 56720), (620, 48212), (680, 43958), (709, 42160), (1054, 28360), (1240, 24106), (1360, 21979), (1418, 21080), (2108, 14180), (2480, 12053), (2635, 11344), (2836, 10540), (3545, 8432), (4216, 7090), (5270, 5672)]