74819920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 160

約数和(自身を含む): 214414848

約数和(自身を除く): 139594928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 37, 40, 46, 56, 70, 74, 80, 92, 112, 115, 140, 148, 157, 161, 184, 185, 230, 259, 280, 296, 314, 322, 368, 370, 460, 518, 560, 592, 628, 644, 740, 785, 805, 851, 920, 1036, 1099, 1256, 1288, 1295, 1480, 1570, 1610, 1702, 1840, 2072, 2198, 2512, 2576, 2590, 2960, 3140, 3220, 3404, 3611, 4144, 4255, 4396, 5180, 5495, 5809, 5957, 6280, 6440, 6808, 7222, 8510, 8792, 10360, 10990, 11618, 11914, 12560, 12880, 13616, 14444, 17020, 17584, 18055, 20720, 21980, 23236, 23828, 25277, 28888, 29045, 29785, 34040, 36110, 40663, 43960, 46472, 47656, 50554, 57776, 58090, 59570, 68080, 72220, 81326, 87920, 92944, 95312, 101108, 116180, 119140, 126385, 133607, 144440, 162652, 202216, 203315, 232360, 238280, 252770, 267214, 288880, 325304, 404432, 406630, 464720, 476560, 505540, 534428, 650608, 668035, 813260, 935249, 1011080, 1068856, 1336070, 1626520, 1870498, 2022160, 2137712, 2672140, 3253040, 3740996, 4676245, 5344280, 7481992, 9352490, 10688560, 14963984, 18704980, 37409960, 74819920]

約数ペア:

[(1, 74819920), (2, 37409960), (4, 18704980), (5, 14963984), (7, 10688560), (8, 9352490), (10, 7481992), (14, 5344280), (16, 4676245), (20, 3740996), (23, 3253040), (28, 2672140), (35, 2137712), (37, 2022160), (40, 1870498), (46, 1626520), (56, 1336070), (70, 1068856), (74, 1011080), (80, 935249), (92, 813260), (112, 668035), (115, 650608), (140, 534428), (148, 505540), (157, 476560), (161, 464720), (184, 406630), (185, 404432), (230, 325304), (259, 288880), (280, 267214), (296, 252770), (314, 238280), (322, 232360), (368, 203315), (370, 202216), (460, 162652), (518, 144440), (560, 133607), (592, 126385), (628, 119140), (644, 116180), (740, 101108), (785, 95312), (805, 92944), (851, 87920), (920, 81326), (1036, 72220), (1099, 68080), (1256, 59570), (1288, 58090), (1295, 57776), (1480, 50554), (1570, 47656), (1610, 46472), (1702, 43960), (1840, 40663), (2072, 36110), (2198, 34040), (2512, 29785), (2576, 29045), (2590, 28888), (2960, 25277), (3140, 23828), (3220, 23236), (3404, 21980), (3611, 20720), (4144, 18055), (4255, 17584), (4396, 17020), (5180, 14444), (5495, 13616), (5809, 12880), (5957, 12560), (6280, 11914), (6440, 11618), (6808, 10990), (7222, 10360), (8510, 8792)]