203168520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9901}}^1$

素因数の和:9940

約数の個数: 128

約数和(自身を含む): 712944000

約数和(自身を除く): 509775480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 9901, 10260, 19802, 20520, 29703, 39604, 49505, 59406, 79208, 89109, 99010, 118812, 148515, 178218, 188119, 198020, 237624, 267327, 297030, 356436, 376238, 396040, 445545, 534654, 564357, 594060, 712872, 752476, 891090, 940595, 1069308, 1128714, 1188120, 1336635, 1504952, 1693071, 1782180, 1881190, 2138616, 2257428, 2673270, 2821785, 3386142, 3564360, 3762380, 4514856, 5079213, 5346540, 5643570, 6772284, 7524760, 8465355, 10158426, 10693080, 11287140, 13544568, 16930710, 20316852, 22574280, 25396065, 33861420, 40633704, 50792130, 67722840, 101584260, 203168520]

約数ペア:

[(1, 203168520), (2, 101584260), (3, 67722840), (4, 50792130), (5, 40633704), (6, 33861420), (8, 25396065), (9, 22574280), (10, 20316852), (12, 16930710), (15, 13544568), (18, 11287140), (19, 10693080), (20, 10158426), (24, 8465355), (27, 7524760), (30, 6772284), (36, 5643570), (38, 5346540), (40, 5079213), (45, 4514856), (54, 3762380), (57, 3564360), (60, 3386142), (72, 2821785), (76, 2673270), (90, 2257428), (95, 2138616), (108, 1881190), (114, 1782180), (120, 1693071), (135, 1504952), (152, 1336635), (171, 1188120), (180, 1128714), (190, 1069308), (216, 940595), (228, 891090), (270, 752476), (285, 712872), (342, 594060), (360, 564357), (380, 534654), (456, 445545), (513, 396040), (540, 376238), (570, 356436), (684, 297030), (760, 267327), (855, 237624), (1026, 198020), (1080, 188119), (1140, 178218), (1368, 148515), (1710, 118812), (2052, 99010), (2280, 89109), (2565, 79208), (3420, 59406), (4104, 49505), (5130, 39604), (6840, 29703), (9901, 20520), (10260, 19802)]