74728640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{457}}^1$

素因数の和:554

約数の個数: 112

約数和(自身を含む): 206605632

約数和(自身を除く): 131876992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 140, 146, 160, 224, 280, 292, 320, 365, 448, 457, 511, 560, 584, 730, 914, 1022, 1120, 1168, 1460, 1828, 2044, 2240, 2285, 2336, 2555, 2920, 3199, 3656, 4088, 4570, 4672, 5110, 5840, 6398, 7312, 8176, 9140, 10220, 11680, 12796, 14624, 15995, 16352, 18280, 20440, 23360, 25592, 29248, 31990, 32704, 33361, 36560, 40880, 51184, 63980, 66722, 73120, 81760, 102368, 127960, 133444, 146240, 163520, 166805, 204736, 233527, 255920, 266888, 333610, 467054, 511840, 533776, 667220, 934108, 1023680, 1067552, 1167635, 1334440, 1868216, 2135104, 2335270, 2668880, 3736432, 4670540, 5337760, 7472864, 9341080, 10675520, 14945728, 18682160, 37364320, 74728640]

約数ペア:

[(1, 74728640), (2, 37364320), (4, 18682160), (5, 14945728), (7, 10675520), (8, 9341080), (10, 7472864), (14, 5337760), (16, 4670540), (20, 3736432), (28, 2668880), (32, 2335270), (35, 2135104), (40, 1868216), (56, 1334440), (64, 1167635), (70, 1067552), (73, 1023680), (80, 934108), (112, 667220), (140, 533776), (146, 511840), (160, 467054), (224, 333610), (280, 266888), (292, 255920), (320, 233527), (365, 204736), (448, 166805), (457, 163520), (511, 146240), (560, 133444), (584, 127960), (730, 102368), (914, 81760), (1022, 73120), (1120, 66722), (1168, 63980), (1460, 51184), (1828, 40880), (2044, 36560), (2240, 33361), (2285, 32704), (2336, 31990), (2555, 29248), (2920, 25592), (3199, 23360), (3656, 20440), (4088, 18280), (4570, 16352), (4672, 15995), (5110, 14624), (5840, 12796), (6398, 11680), (7312, 10220), (8176, 9140)]