1279460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:85

約数の個数: 96

約数和(自身を含む): 3575040

約数和(自身を除く): 2295580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 37, 38, 52, 65, 70, 74, 76, 91, 95, 130, 133, 140, 148, 182, 185, 190, 247, 259, 260, 266, 364, 370, 380, 455, 481, 494, 518, 532, 665, 703, 740, 910, 962, 988, 1036, 1235, 1295, 1330, 1406, 1729, 1820, 1924, 2405, 2470, 2590, 2660, 2812, 3367, 3458, 3515, 4810, 4921, 4940, 5180, 6734, 6916, 7030, 8645, 9139, 9620, 9842, 13468, 14060, 16835, 17290, 18278, 19684, 24605, 33670, 34580, 36556, 45695, 49210, 63973, 67340, 91390, 98420, 127946, 182780, 255892, 319865, 639730, 1279460]

約数ペア:

[(1, 1279460), (2, 639730), (4, 319865), (5, 255892), (7, 182780), (10, 127946), (13, 98420), (14, 91390), (19, 67340), (20, 63973), (26, 49210), (28, 45695), (35, 36556), (37, 34580), (38, 33670), (52, 24605), (65, 19684), (70, 18278), (74, 17290), (76, 16835), (91, 14060), (95, 13468), (130, 9842), (133, 9620), (140, 9139), (148, 8645), (182, 7030), (185, 6916), (190, 6734), (247, 5180), (259, 4940), (260, 4921), (266, 4810), (364, 3515), (370, 3458), (380, 3367), (455, 2812), (481, 2660), (494, 2590), (518, 2470), (532, 2405), (665, 1924), (703, 1820), (740, 1729), (910, 1406), (962, 1330), (988, 1295), (1036, 1235)]