256255860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{7351}}^1$

素因数の和:7453

約数の個数: 96

約数和(自身を含む): 830011392

約数和(自身を除く): 573755532

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 83, 84, 105, 140, 166, 210, 249, 332, 415, 420, 498, 581, 830, 996, 1162, 1245, 1660, 1743, 2324, 2490, 2905, 3486, 4980, 5810, 6972, 7351, 8715, 11620, 14702, 17430, 22053, 29404, 34860, 36755, 44106, 51457, 73510, 88212, 102914, 110265, 147020, 154371, 205828, 220530, 257285, 308742, 441060, 514570, 610133, 617484, 771855, 1029140, 1220266, 1543710, 1830399, 2440532, 3050665, 3087420, 3660798, 4270931, 6101330, 7321596, 8541862, 9151995, 12202660, 12812793, 17083724, 18303990, 21354655, 25625586, 36607980, 42709310, 51251172, 64063965, 85418620, 128127930, 256255860]

約数ペア:

[(1, 256255860), (2, 128127930), (3, 85418620), (4, 64063965), (5, 51251172), (6, 42709310), (7, 36607980), (10, 25625586), (12, 21354655), (14, 18303990), (15, 17083724), (20, 12812793), (21, 12202660), (28, 9151995), (30, 8541862), (35, 7321596), (42, 6101330), (60, 4270931), (70, 3660798), (83, 3087420), (84, 3050665), (105, 2440532), (140, 1830399), (166, 1543710), (210, 1220266), (249, 1029140), (332, 771855), (415, 617484), (420, 610133), (498, 514570), (581, 441060), (830, 308742), (996, 257285), (1162, 220530), (1245, 205828), (1660, 154371), (1743, 147020), (2324, 110265), (2490, 102914), (2905, 88212), (3486, 73510), (4980, 51457), (5810, 44106), (6972, 36755), (7351, 34860), (8715, 29404), (11620, 22053), (14702, 17430)]