239640120

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1999}}^1$

素因数の和:2059

約数の個数: 160

約数和(自身を含む): 827640000

約数和(自身を除く): 587999880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 81, 90, 108, 111, 120, 135, 148, 162, 180, 185, 216, 222, 270, 296, 324, 333, 360, 370, 405, 444, 540, 555, 648, 666, 740, 810, 888, 999, 1080, 1110, 1332, 1480, 1620, 1665, 1998, 1999, 2220, 2664, 2997, 3240, 3330, 3996, 3998, 4440, 4995, 5994, 5997, 6660, 7992, 7996, 9990, 9995, 11988, 11994, 13320, 14985, 15992, 17991, 19980, 19990, 23976, 23988, 29970, 29985, 35982, 39960, 39980, 47976, 53973, 59940, 59970, 71964, 73963, 79960, 89955, 107946, 119880, 119940, 143928, 147926, 161919, 179910, 215892, 221889, 239880, 269865, 295852, 323838, 359820, 369815, 431784, 443778, 539730, 591704, 647676, 665667, 719640, 739630, 809595, 887556, 1079460, 1109445, 1295352, 1331334, 1479260, 1619190, 1775112, 1997001, 2158920, 2218890, 2662668, 2958520, 3238380, 3328335, 3994002, 4437780, 5325336, 5991003, 6476760, 6656670, 7988004, 8875560, 9985005, 11982006, 13313340, 15976008, 19970010, 23964012, 26626680, 29955015, 39940020, 47928024, 59910030, 79880040, 119820060, 239640120]

約数ペア:

[(1, 239640120), (2, 119820060), (3, 79880040), (4, 59910030), (5, 47928024), (6, 39940020), (8, 29955015), (9, 26626680), (10, 23964012), (12, 19970010), (15, 15976008), (18, 13313340), (20, 11982006), (24, 9985005), (27, 8875560), (30, 7988004), (36, 6656670), (37, 6476760), (40, 5991003), (45, 5325336), (54, 4437780), (60, 3994002), (72, 3328335), (74, 3238380), (81, 2958520), (90, 2662668), (108, 2218890), (111, 2158920), (120, 1997001), (135, 1775112), (148, 1619190), (162, 1479260), (180, 1331334), (185, 1295352), (216, 1109445), (222, 1079460), (270, 887556), (296, 809595), (324, 739630), (333, 719640), (360, 665667), (370, 647676), (405, 591704), (444, 539730), (540, 443778), (555, 431784), (648, 369815), (666, 359820), (740, 323838), (810, 295852), (888, 269865), (999, 239880), (1080, 221889), (1110, 215892), (1332, 179910), (1480, 161919), (1620, 147926), (1665, 143928), (1998, 119940), (1999, 119880), (2220, 107946), (2664, 89955), (2997, 79960), (3240, 73963), (3330, 71964), (3996, 59970), (3998, 59940), (4440, 53973), (4995, 47976), (5994, 39980), (5997, 39960), (6660, 35982), (7992, 29985), (7996, 29970), (9990, 23988), (9995, 23976), (11988, 19990), (11994, 19980), (13320, 17991), (14985, 15992)]