844641420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{12491}}^1$

素因数の和:12540

約数の個数: 144

約数和(自身を含む): 2870961408

約数和(自身を除く): 2026319988

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 322, 345, 420, 460, 483, 490, 588, 644, 690, 735, 805, 966, 980, 1127, 1380, 1470, 1610, 1932, 2254, 2415, 2940, 3220, 3381, 4508, 4830, 5635, 6762, 9660, 11270, 12491, 13524, 16905, 22540, 24982, 33810, 37473, 49964, 62455, 67620, 74946, 87437, 124910, 149892, 174874, 187365, 249820, 262311, 287293, 349748, 374730, 437185, 524622, 574586, 612059, 749460, 861879, 874370, 1049244, 1149172, 1224118, 1311555, 1436465, 1723758, 1748740, 1836177, 2011051, 2448236, 2623110, 2872930, 3060295, 3447516, 3672354, 4022102, 4309395, 5246220, 5745860, 6033153, 6120590, 7344708, 8044204, 8618790, 9180885, 10055255, 12066306, 12241180, 14077357, 17237580, 18361770, 20110510, 24132612, 28154714, 30165765, 36723540, 40221020, 42232071, 56309428, 60331530, 70386785, 84464142, 120663060, 140773570, 168928284, 211160355, 281547140, 422320710, 844641420]

約数ペア:

[(1, 844641420), (2, 422320710), (3, 281547140), (4, 211160355), (5, 168928284), (6, 140773570), (7, 120663060), (10, 84464142), (12, 70386785), (14, 60331530), (15, 56309428), (20, 42232071), (21, 40221020), (23, 36723540), (28, 30165765), (30, 28154714), (35, 24132612), (42, 20110510), (46, 18361770), (49, 17237580), (60, 14077357), (69, 12241180), (70, 12066306), (84, 10055255), (92, 9180885), (98, 8618790), (105, 8044204), (115, 7344708), (138, 6120590), (140, 6033153), (147, 5745860), (161, 5246220), (196, 4309395), (210, 4022102), (230, 3672354), (245, 3447516), (276, 3060295), (294, 2872930), (322, 2623110), (345, 2448236), (420, 2011051), (460, 1836177), (483, 1748740), (490, 1723758), (588, 1436465), (644, 1311555), (690, 1224118), (735, 1149172), (805, 1049244), (966, 874370), (980, 861879), (1127, 749460), (1380, 612059), (1470, 574586), (1610, 524622), (1932, 437185), (2254, 374730), (2415, 349748), (2940, 287293), (3220, 262311), (3381, 249820), (4508, 187365), (4830, 174874), (5635, 149892), (6762, 124910), (9660, 87437), (11270, 74946), (12491, 67620), (13524, 62455), (16905, 49964), (22540, 37473), (24982, 33810)]