16961880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:241

約数の個数: 128

約数和(自身を含む): 55883520

約数和(自身を除く): 38921640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 83, 104, 120, 130, 131, 156, 166, 195, 249, 260, 262, 312, 332, 390, 393, 415, 498, 520, 524, 655, 664, 780, 786, 830, 996, 1048, 1079, 1245, 1310, 1560, 1572, 1660, 1703, 1965, 1992, 2158, 2490, 2620, 3144, 3237, 3320, 3406, 3930, 4316, 4980, 5109, 5240, 5395, 6474, 6812, 7860, 8515, 8632, 9960, 10218, 10790, 10873, 12948, 13624, 15720, 16185, 17030, 20436, 21580, 21746, 25545, 25896, 32370, 32619, 34060, 40872, 43160, 43492, 51090, 54365, 64740, 65238, 68120, 86984, 102180, 108730, 129480, 130476, 141349, 163095, 204360, 217460, 260952, 282698, 326190, 424047, 434920, 565396, 652380, 706745, 848094, 1130792, 1304760, 1413490, 1696188, 2120235, 2826980, 3392376, 4240470, 5653960, 8480940, 16961880]

約数ペア:

[(1, 16961880), (2, 8480940), (3, 5653960), (4, 4240470), (5, 3392376), (6, 2826980), (8, 2120235), (10, 1696188), (12, 1413490), (13, 1304760), (15, 1130792), (20, 848094), (24, 706745), (26, 652380), (30, 565396), (39, 434920), (40, 424047), (52, 326190), (60, 282698), (65, 260952), (78, 217460), (83, 204360), (104, 163095), (120, 141349), (130, 130476), (131, 129480), (156, 108730), (166, 102180), (195, 86984), (249, 68120), (260, 65238), (262, 64740), (312, 54365), (332, 51090), (390, 43492), (393, 43160), (415, 40872), (498, 34060), (520, 32619), (524, 32370), (655, 25896), (664, 25545), (780, 21746), (786, 21580), (830, 20436), (996, 17030), (1048, 16185), (1079, 15720), (1245, 13624), (1310, 12948), (1560, 10873), (1572, 10790), (1660, 10218), (1703, 9960), (1965, 8632), (1992, 8515), (2158, 7860), (2490, 6812), (2620, 6474), (3144, 5395), (3237, 5240), (3320, 5109), (3406, 4980), (3930, 4316)]