15288721980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{37879}}^1$

素因数の和:37960

約数の個数: 144

約数和(自身を含む): 50554344960

約数和(自身を除く): 35265622980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 961, 1085, 1302, 1860, 1922, 2170, 2604, 2883, 3255, 3844, 4340, 4805, 5766, 6510, 6727, 9610, 11532, 13020, 13454, 14415, 19220, 20181, 26908, 28830, 33635, 37879, 40362, 57660, 67270, 75758, 80724, 100905, 113637, 134540, 151516, 189395, 201810, 227274, 265153, 378790, 403620, 454548, 530306, 568185, 757580, 795459, 1060612, 1136370, 1174249, 1325765, 1590918, 2272740, 2348498, 2651530, 3181836, 3522747, 3977295, 4696996, 5303060, 5871245, 7045494, 7954590, 8219743, 11742490, 14090988, 15909180, 16439486, 17613735, 23484980, 24659229, 32878972, 35227470, 36401719, 41098715, 49318458, 70454940, 72803438, 82197430, 98636916, 109205157, 123296145, 145606876, 164394860, 182008595, 218410314, 246592290, 254812033, 364017190, 436820628, 493184580, 509624066, 546025785, 728034380, 764436099, 1019248132, 1092051570, 1274060165, 1528872198, 2184103140, 2548120330, 3057744396, 3822180495, 5096240660, 7644360990, 15288721980]

約数ペア:

[(1, 15288721980), (2, 7644360990), (3, 5096240660), (4, 3822180495), (5, 3057744396), (6, 2548120330), (7, 2184103140), (10, 1528872198), (12, 1274060165), (14, 1092051570), (15, 1019248132), (20, 764436099), (21, 728034380), (28, 546025785), (30, 509624066), (31, 493184580), (35, 436820628), (42, 364017190), (60, 254812033), (62, 246592290), (70, 218410314), (84, 182008595), (93, 164394860), (105, 145606876), (124, 123296145), (140, 109205157), (155, 98636916), (186, 82197430), (210, 72803438), (217, 70454940), (310, 49318458), (372, 41098715), (420, 36401719), (434, 35227470), (465, 32878972), (620, 24659229), (651, 23484980), (868, 17613735), (930, 16439486), (961, 15909180), (1085, 14090988), (1302, 11742490), (1860, 8219743), (1922, 7954590), (2170, 7045494), (2604, 5871245), (2883, 5303060), (3255, 4696996), (3844, 3977295), (4340, 3522747), (4805, 3181836), (5766, 2651530), (6510, 2348498), (6727, 2272740), (9610, 1590918), (11532, 1325765), (13020, 1174249), (13454, 1136370), (14415, 1060612), (19220, 795459), (20181, 757580), (26908, 568185), (28830, 530306), (33635, 454548), (37879, 403620), (40362, 378790), (57660, 265153), (67270, 227274), (75758, 201810), (80724, 189395), (100905, 151516), (113637, 134540)]