13026780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 44946720

約数和(自身を除く): 31919940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 293, 342, 380, 390, 468, 494, 570, 585, 586, 684, 741, 780, 855, 879, 988, 1140, 1170, 1172, 1235, 1465, 1482, 1710, 1758, 2223, 2340, 2470, 2637, 2930, 2964, 3420, 3516, 3705, 3809, 4395, 4446, 4940, 5274, 5567, 5860, 7410, 7618, 8790, 8892, 10548, 11115, 11134, 11427, 13185, 14820, 15236, 16701, 17580, 19045, 22230, 22268, 22854, 26370, 27835, 33402, 34281, 38090, 44460, 45708, 50103, 52740, 55670, 57135, 66804, 68562, 72371, 76180, 83505, 100206, 111340, 114270, 137124, 144742, 167010, 171405, 200412, 217113, 228540, 250515, 289484, 334020, 342810, 361855, 434226, 501030, 651339, 685620, 723710, 868452, 1002060, 1085565, 1302678, 1447420, 2171130, 2605356, 3256695, 4342260, 6513390, 13026780]

約数ペア:

[(1, 13026780), (2, 6513390), (3, 4342260), (4, 3256695), (5, 2605356), (6, 2171130), (9, 1447420), (10, 1302678), (12, 1085565), (13, 1002060), (15, 868452), (18, 723710), (19, 685620), (20, 651339), (26, 501030), (30, 434226), (36, 361855), (38, 342810), (39, 334020), (45, 289484), (52, 250515), (57, 228540), (60, 217113), (65, 200412), (76, 171405), (78, 167010), (90, 144742), (95, 137124), (114, 114270), (117, 111340), (130, 100206), (156, 83505), (171, 76180), (180, 72371), (190, 68562), (195, 66804), (228, 57135), (234, 55670), (247, 52740), (260, 50103), (285, 45708), (293, 44460), (342, 38090), (380, 34281), (390, 33402), (468, 27835), (494, 26370), (570, 22854), (585, 22268), (586, 22230), (684, 19045), (741, 17580), (780, 16701), (855, 15236), (879, 14820), (988, 13185), (1140, 11427), (1170, 11134), (1172, 11115), (1235, 10548), (1465, 8892), (1482, 8790), (1710, 7618), (1758, 7410), (2223, 5860), (2340, 5567), (2470, 5274), (2637, 4940), (2930, 4446), (2964, 4395), (3420, 3809), (3516, 3705)]