51672320

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 145205760

約数和(自身を除く): 93533440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 79, 80, 112, 128, 140, 146, 158, 160, 224, 256, 280, 292, 316, 320, 365, 395, 448, 511, 553, 560, 584, 632, 640, 730, 790, 896, 1022, 1106, 1120, 1168, 1264, 1280, 1460, 1580, 1792, 2044, 2212, 2240, 2336, 2528, 2555, 2765, 2920, 3160, 4088, 4424, 4480, 4672, 5056, 5110, 5530, 5767, 5840, 6320, 8176, 8848, 8960, 9344, 10112, 10220, 11060, 11534, 11680, 12640, 16352, 17696, 18688, 20224, 20440, 22120, 23068, 23360, 25280, 28835, 32704, 35392, 40369, 40880, 44240, 46136, 46720, 50560, 57670, 65408, 70784, 80738, 81760, 88480, 92272, 93440, 101120, 115340, 130816, 141568, 161476, 163520, 176960, 184544, 201845, 230680, 322952, 327040, 353920, 369088, 403690, 461360, 645904, 654080, 707840, 738176, 807380, 922720, 1291808, 1476352, 1614760, 1845440, 2583616, 3229520, 3690880, 5167232, 6459040, 7381760, 10334464, 12918080, 25836160, 51672320]

約数ペア:

[(1, 51672320), (2, 25836160), (4, 12918080), (5, 10334464), (7, 7381760), (8, 6459040), (10, 5167232), (14, 3690880), (16, 3229520), (20, 2583616), (28, 1845440), (32, 1614760), (35, 1476352), (40, 1291808), (56, 922720), (64, 807380), (70, 738176), (73, 707840), (79, 654080), (80, 645904), (112, 461360), (128, 403690), (140, 369088), (146, 353920), (158, 327040), (160, 322952), (224, 230680), (256, 201845), (280, 184544), (292, 176960), (316, 163520), (320, 161476), (365, 141568), (395, 130816), (448, 115340), (511, 101120), (553, 93440), (560, 92272), (584, 88480), (632, 81760), (640, 80738), (730, 70784), (790, 65408), (896, 57670), (1022, 50560), (1106, 46720), (1120, 46136), (1168, 44240), (1264, 40880), (1280, 40369), (1460, 35392), (1580, 32704), (1792, 28835), (2044, 25280), (2212, 23360), (2240, 23068), (2336, 22120), (2528, 20440), (2555, 20224), (2765, 18688), (2920, 17696), (3160, 16352), (4088, 12640), (4424, 11680), (4480, 11534), (4672, 11060), (5056, 10220), (5110, 10112), (5530, 9344), (5767, 8960), (5840, 8848), (6320, 8176)]