12397840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1$

素因数の和:177

約数の個数: 120

約数和(自身を含む): 35944128

約数和(自身を除く): 23546288

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 131, 140, 169, 182, 208, 260, 262, 280, 338, 364, 455, 520, 524, 560, 655, 676, 728, 845, 910, 917, 1040, 1048, 1183, 1310, 1352, 1456, 1690, 1703, 1820, 1834, 2096, 2366, 2620, 2704, 3380, 3406, 3640, 3668, 4585, 4732, 5240, 5915, 6760, 6812, 7280, 7336, 8515, 9170, 9464, 10480, 11830, 11921, 13520, 13624, 14672, 17030, 18340, 18928, 22139, 23660, 23842, 27248, 34060, 36680, 44278, 47320, 47684, 59605, 68120, 73360, 88556, 94640, 95368, 110695, 119210, 136240, 154973, 177112, 190736, 221390, 238420, 309946, 354224, 442780, 476840, 619892, 774865, 885560, 953680, 1239784, 1549730, 1771120, 2479568, 3099460, 6198920, 12397840]

約数ペア:

[(1, 12397840), (2, 6198920), (4, 3099460), (5, 2479568), (7, 1771120), (8, 1549730), (10, 1239784), (13, 953680), (14, 885560), (16, 774865), (20, 619892), (26, 476840), (28, 442780), (35, 354224), (40, 309946), (52, 238420), (56, 221390), (65, 190736), (70, 177112), (80, 154973), (91, 136240), (104, 119210), (112, 110695), (130, 95368), (131, 94640), (140, 88556), (169, 73360), (182, 68120), (208, 59605), (260, 47684), (262, 47320), (280, 44278), (338, 36680), (364, 34060), (455, 27248), (520, 23842), (524, 23660), (560, 22139), (655, 18928), (676, 18340), (728, 17030), (845, 14672), (910, 13624), (917, 13520), (1040, 11921), (1048, 11830), (1183, 10480), (1310, 9464), (1352, 9170), (1456, 8515), (1690, 7336), (1703, 7280), (1820, 6812), (1834, 6760), (2096, 5915), (2366, 5240), (2620, 4732), (2704, 4585), (3380, 3668), (3406, 3640)]