205296720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:493

約数の個数: 160

約数和(自身を含む): 666088320

約数和(自身を除く): 460791600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 61, 74, 80, 111, 120, 122, 148, 183, 185, 222, 240, 244, 296, 305, 366, 370, 379, 444, 488, 555, 592, 610, 732, 740, 758, 888, 915, 976, 1110, 1137, 1220, 1464, 1480, 1516, 1776, 1830, 1895, 2220, 2257, 2274, 2440, 2928, 2960, 3032, 3660, 3790, 4440, 4514, 4548, 4880, 5685, 6064, 6771, 7320, 7580, 8880, 9028, 9096, 11285, 11370, 13542, 14023, 14640, 15160, 18056, 18192, 22570, 22740, 23119, 27084, 28046, 30320, 33855, 36112, 42069, 45140, 45480, 46238, 54168, 56092, 67710, 69357, 70115, 84138, 90280, 90960, 92476, 108336, 112184, 115595, 135420, 138714, 140230, 168276, 180560, 184952, 210345, 224368, 231190, 270840, 277428, 280460, 336552, 346785, 369904, 420690, 462380, 541680, 554856, 560920, 673104, 693570, 841380, 855403, 924760, 1109712, 1121840, 1387140, 1682760, 1710806, 1849520, 2566209, 2774280, 3365520, 3421612, 4277015, 5132418, 5548560, 6843224, 8554030, 10264836, 12831045, 13686448, 17108060, 20529672, 25662090, 34216120, 41059344, 51324180, 68432240, 102648360, 205296720]

約数ペア:

[(1, 205296720), (2, 102648360), (3, 68432240), (4, 51324180), (5, 41059344), (6, 34216120), (8, 25662090), (10, 20529672), (12, 17108060), (15, 13686448), (16, 12831045), (20, 10264836), (24, 8554030), (30, 6843224), (37, 5548560), (40, 5132418), (48, 4277015), (60, 3421612), (61, 3365520), (74, 2774280), (80, 2566209), (111, 1849520), (120, 1710806), (122, 1682760), (148, 1387140), (183, 1121840), (185, 1109712), (222, 924760), (240, 855403), (244, 841380), (296, 693570), (305, 673104), (366, 560920), (370, 554856), (379, 541680), (444, 462380), (488, 420690), (555, 369904), (592, 346785), (610, 336552), (732, 280460), (740, 277428), (758, 270840), (888, 231190), (915, 224368), (976, 210345), (1110, 184952), (1137, 180560), (1220, 168276), (1464, 140230), (1480, 138714), (1516, 135420), (1776, 115595), (1830, 112184), (1895, 108336), (2220, 92476), (2257, 90960), (2274, 90280), (2440, 84138), (2928, 70115), (2960, 69357), (3032, 67710), (3660, 56092), (3790, 54168), (4440, 46238), (4514, 45480), (4548, 45140), (4880, 42069), (5685, 36112), (6064, 33855), (6771, 30320), (7320, 28046), (7580, 27084), (8880, 23119), (9028, 22740), (9096, 22570), (11285, 18192), (11370, 18056), (13542, 15160), (14023, 14640)]