195420720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{937}}^1$

素因数の和:1043

約数の個数: 160

約数和(自身を含む): 669957120

約数和(自身を除く): 474536400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 79, 80, 88, 110, 120, 132, 158, 165, 176, 220, 237, 240, 264, 316, 330, 395, 440, 474, 528, 632, 660, 790, 869, 880, 937, 948, 1185, 1264, 1320, 1580, 1738, 1874, 1896, 2370, 2607, 2640, 2811, 3160, 3476, 3748, 3792, 4345, 4685, 4740, 5214, 5622, 6320, 6952, 7496, 8690, 9370, 9480, 10307, 10428, 11244, 13035, 13904, 14055, 14992, 17380, 18740, 18960, 20614, 20856, 22488, 26070, 28110, 30921, 34760, 37480, 41228, 41712, 44976, 51535, 52140, 56220, 61842, 69520, 74023, 74960, 82456, 103070, 104280, 112440, 123684, 148046, 154605, 164912, 206140, 208560, 222069, 224880, 247368, 296092, 309210, 370115, 412280, 444138, 494736, 592184, 618420, 740230, 814253, 824560, 888276, 1110345, 1184368, 1236840, 1480460, 1628506, 1776552, 2220690, 2442759, 2473680, 2960920, 3257012, 3553104, 4071265, 4441380, 4885518, 5921840, 6514024, 8142530, 8882760, 9771036, 12213795, 13028048, 16285060, 17765520, 19542072, 24427590, 32570120, 39084144, 48855180, 65140240, 97710360, 195420720]

約数ペア:

[(1, 195420720), (2, 97710360), (3, 65140240), (4, 48855180), (5, 39084144), (6, 32570120), (8, 24427590), (10, 19542072), (11, 17765520), (12, 16285060), (15, 13028048), (16, 12213795), (20, 9771036), (22, 8882760), (24, 8142530), (30, 6514024), (33, 5921840), (40, 4885518), (44, 4441380), (48, 4071265), (55, 3553104), (60, 3257012), (66, 2960920), (79, 2473680), (80, 2442759), (88, 2220690), (110, 1776552), (120, 1628506), (132, 1480460), (158, 1236840), (165, 1184368), (176, 1110345), (220, 888276), (237, 824560), (240, 814253), (264, 740230), (316, 618420), (330, 592184), (395, 494736), (440, 444138), (474, 412280), (528, 370115), (632, 309210), (660, 296092), (790, 247368), (869, 224880), (880, 222069), (937, 208560), (948, 206140), (1185, 164912), (1264, 154605), (1320, 148046), (1580, 123684), (1738, 112440), (1874, 104280), (1896, 103070), (2370, 82456), (2607, 74960), (2640, 74023), (2811, 69520), (3160, 61842), (3476, 56220), (3748, 52140), (3792, 51535), (4345, 44976), (4685, 41712), (4740, 41228), (5214, 37480), (5622, 34760), (6320, 30921), (6952, 28110), (7496, 26070), (8690, 22488), (9370, 20856), (9480, 20614), (10307, 18960), (10428, 18740), (11244, 17380), (13035, 14992), (13904, 14055)]