64910080

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 174394080

約数和(自身を除く): 109484000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 152, 157, 160, 170, 190, 256, 272, 304, 314, 320, 323, 340, 380, 544, 608, 628, 640, 646, 680, 760, 785, 1088, 1216, 1256, 1280, 1292, 1360, 1520, 1570, 1615, 2176, 2432, 2512, 2584, 2669, 2720, 2983, 3040, 3140, 3230, 4352, 4864, 5024, 5168, 5338, 5440, 5966, 6080, 6280, 6460, 10048, 10336, 10676, 10880, 11932, 12160, 12560, 12920, 13345, 14915, 20096, 20672, 21352, 21760, 23864, 24320, 25120, 25840, 26690, 29830, 40192, 41344, 42704, 47728, 50240, 50711, 51680, 53380, 59660, 82688, 85408, 95456, 100480, 101422, 103360, 106760, 119320, 170816, 190912, 200960, 202844, 206720, 213520, 238640, 253555, 341632, 381824, 405688, 413440, 427040, 477280, 507110, 683264, 763648, 811376, 854080, 954560, 1014220, 1622752, 1708160, 1909120, 2028440, 3245504, 3416320, 3818240, 4056880, 6491008, 8113760, 12982016, 16227520, 32455040, 64910080]

約数ペア:

[(1, 64910080), (2, 32455040), (4, 16227520), (5, 12982016), (8, 8113760), (10, 6491008), (16, 4056880), (17, 3818240), (19, 3416320), (20, 3245504), (32, 2028440), (34, 1909120), (38, 1708160), (40, 1622752), (64, 1014220), (68, 954560), (76, 854080), (80, 811376), (85, 763648), (95, 683264), (128, 507110), (136, 477280), (152, 427040), (157, 413440), (160, 405688), (170, 381824), (190, 341632), (256, 253555), (272, 238640), (304, 213520), (314, 206720), (320, 202844), (323, 200960), (340, 190912), (380, 170816), (544, 119320), (608, 106760), (628, 103360), (640, 101422), (646, 100480), (680, 95456), (760, 85408), (785, 82688), (1088, 59660), (1216, 53380), (1256, 51680), (1280, 50711), (1292, 50240), (1360, 47728), (1520, 42704), (1570, 41344), (1615, 40192), (2176, 29830), (2432, 26690), (2512, 25840), (2584, 25120), (2669, 24320), (2720, 23864), (2983, 21760), (3040, 21352), (3140, 20672), (3230, 20096), (4352, 14915), (4864, 13345), (5024, 12920), (5168, 12560), (5338, 12160), (5440, 11932), (5966, 10880), (6080, 10676), (6280, 10336), (6460, 10048)]