208956720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2039}}^1$

素因数の和:2123

約数の個数: 160

約数和(自身を含む): 752808960

約数和(自身を除く): 543852240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 61, 70, 80, 84, 105, 112, 120, 122, 140, 168, 183, 210, 240, 244, 280, 305, 336, 366, 420, 427, 488, 560, 610, 732, 840, 854, 915, 976, 1220, 1281, 1464, 1680, 1708, 1830, 2039, 2135, 2440, 2562, 2928, 3416, 3660, 4078, 4270, 4880, 5124, 6117, 6405, 6832, 7320, 8156, 8540, 10195, 10248, 12234, 12810, 14273, 14640, 16312, 17080, 20390, 20496, 24468, 25620, 28546, 30585, 32624, 34160, 40780, 42819, 48936, 51240, 57092, 61170, 71365, 81560, 85638, 97872, 102480, 114184, 122340, 124379, 142730, 163120, 171276, 214095, 228368, 244680, 248758, 285460, 342552, 373137, 428190, 489360, 497516, 570920, 621895, 685104, 746274, 856380, 870653, 995032, 1141840, 1243790, 1492548, 1712760, 1741306, 1865685, 1990064, 2487580, 2611959, 2985096, 3425520, 3482612, 3731370, 4353265, 4975160, 5223918, 5970192, 6965224, 7462740, 8706530, 9950320, 10447836, 13059795, 13930448, 14925480, 17413060, 20895672, 26119590, 29850960, 34826120, 41791344, 52239180, 69652240, 104478360, 208956720]

約数ペア:

[(1, 208956720), (2, 104478360), (3, 69652240), (4, 52239180), (5, 41791344), (6, 34826120), (7, 29850960), (8, 26119590), (10, 20895672), (12, 17413060), (14, 14925480), (15, 13930448), (16, 13059795), (20, 10447836), (21, 9950320), (24, 8706530), (28, 7462740), (30, 6965224), (35, 5970192), (40, 5223918), (42, 4975160), (48, 4353265), (56, 3731370), (60, 3482612), (61, 3425520), (70, 2985096), (80, 2611959), (84, 2487580), (105, 1990064), (112, 1865685), (120, 1741306), (122, 1712760), (140, 1492548), (168, 1243790), (183, 1141840), (210, 995032), (240, 870653), (244, 856380), (280, 746274), (305, 685104), (336, 621895), (366, 570920), (420, 497516), (427, 489360), (488, 428190), (560, 373137), (610, 342552), (732, 285460), (840, 248758), (854, 244680), (915, 228368), (976, 214095), (1220, 171276), (1281, 163120), (1464, 142730), (1680, 124379), (1708, 122340), (1830, 114184), (2039, 102480), (2135, 97872), (2440, 85638), (2562, 81560), (2928, 71365), (3416, 61170), (3660, 57092), (4078, 51240), (4270, 48936), (4880, 42819), (5124, 40780), (6117, 34160), (6405, 32624), (6832, 30585), (7320, 28546), (8156, 25620), (8540, 24468), (10195, 20496), (10248, 20390), (12234, 17080), (12810, 16312), (14273, 14640)]