457788160

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 1153797120

約数和(自身を除く): 696008960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 83, 124, 128, 139, 155, 160, 166, 248, 256, 278, 310, 320, 332, 415, 496, 556, 620, 640, 664, 695, 830, 992, 1112, 1240, 1280, 1328, 1390, 1660, 1984, 2224, 2480, 2573, 2656, 2780, 3320, 3968, 4309, 4448, 4960, 5146, 5312, 5560, 6640, 7936, 8618, 8896, 9920, 10292, 10624, 11120, 11537, 12865, 13280, 17236, 17792, 19840, 20584, 21248, 21545, 22240, 23074, 25730, 26560, 34472, 35584, 39680, 41168, 43090, 44480, 46148, 51460, 53120, 57685, 68944, 82336, 86180, 88960, 92296, 102920, 106240, 115370, 137888, 164672, 172360, 177920, 184592, 205840, 230740, 275776, 329344, 344720, 357647, 369184, 411680, 461480, 551552, 658688, 689440, 715294, 738368, 823360, 922960, 1103104, 1378880, 1430588, 1476736, 1646720, 1788235, 1845920, 2757760, 2861176, 2953472, 3293440, 3576470, 3691840, 5515520, 5722352, 7152940, 7383680, 11444704, 14305880, 14767360, 22889408, 28611760, 45778816, 57223520, 91557632, 114447040, 228894080, 457788160]

約数ペア:

[(1, 457788160), (2, 228894080), (4, 114447040), (5, 91557632), (8, 57223520), (10, 45778816), (16, 28611760), (20, 22889408), (31, 14767360), (32, 14305880), (40, 11444704), (62, 7383680), (64, 7152940), (80, 5722352), (83, 5515520), (124, 3691840), (128, 3576470), (139, 3293440), (155, 2953472), (160, 2861176), (166, 2757760), (248, 1845920), (256, 1788235), (278, 1646720), (310, 1476736), (320, 1430588), (332, 1378880), (415, 1103104), (496, 922960), (556, 823360), (620, 738368), (640, 715294), (664, 689440), (695, 658688), (830, 551552), (992, 461480), (1112, 411680), (1240, 369184), (1280, 357647), (1328, 344720), (1390, 329344), (1660, 275776), (1984, 230740), (2224, 205840), (2480, 184592), (2573, 177920), (2656, 172360), (2780, 164672), (3320, 137888), (3968, 115370), (4309, 106240), (4448, 102920), (4960, 92296), (5146, 88960), (5312, 86180), (5560, 82336), (6640, 68944), (7936, 57685), (8618, 53120), (8896, 51460), (9920, 46148), (10292, 44480), (10624, 43090), (11120, 41168), (11537, 39680), (12865, 35584), (13280, 34472), (17236, 26560), (17792, 25730), (19840, 23074), (20584, 22240), (21248, 21545)]