78162560

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:338

約数の個数: 128

約数和(自身を含む): 217382400

約数和(自身を除く): 139219840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 239, 280, 292, 320, 365, 448, 478, 511, 560, 584, 640, 730, 896, 956, 1022, 1120, 1168, 1195, 1460, 1673, 1912, 2044, 2240, 2336, 2390, 2555, 2920, 3346, 3824, 4088, 4480, 4672, 4780, 5110, 5840, 6692, 7648, 8176, 8365, 9344, 9560, 10220, 11680, 13384, 15296, 16352, 16730, 17447, 19120, 20440, 23360, 26768, 30592, 32704, 33460, 34894, 38240, 40880, 46720, 53536, 65408, 66920, 69788, 76480, 81760, 87235, 107072, 122129, 133840, 139576, 152960, 163520, 174470, 214144, 244258, 267680, 279152, 327040, 348940, 488516, 535360, 558304, 610645, 697880, 977032, 1070720, 1116608, 1221290, 1395760, 1954064, 2233216, 2442580, 2791520, 3908128, 4885160, 5583040, 7816256, 9770320, 11166080, 15632512, 19540640, 39081280, 78162560]

約数ペア:

[(1, 78162560), (2, 39081280), (4, 19540640), (5, 15632512), (7, 11166080), (8, 9770320), (10, 7816256), (14, 5583040), (16, 4885160), (20, 3908128), (28, 2791520), (32, 2442580), (35, 2233216), (40, 1954064), (56, 1395760), (64, 1221290), (70, 1116608), (73, 1070720), (80, 977032), (112, 697880), (128, 610645), (140, 558304), (146, 535360), (160, 488516), (224, 348940), (239, 327040), (280, 279152), (292, 267680), (320, 244258), (365, 214144), (448, 174470), (478, 163520), (511, 152960), (560, 139576), (584, 133840), (640, 122129), (730, 107072), (896, 87235), (956, 81760), (1022, 76480), (1120, 69788), (1168, 66920), (1195, 65408), (1460, 53536), (1673, 46720), (1912, 40880), (2044, 38240), (2240, 34894), (2336, 33460), (2390, 32704), (2555, 30592), (2920, 26768), (3346, 23360), (3824, 20440), (4088, 19120), (4480, 17447), (4672, 16730), (4780, 16352), (5110, 15296), (5840, 13384), (6692, 11680), (7648, 10220), (8176, 9560), (8365, 9344)]