128708280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:674

約数の個数: 192

約数和(自身を含む): 455270400

約数和(自身を除く): 326562120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 57, 60, 62, 72, 76, 90, 93, 95, 114, 120, 124, 152, 155, 171, 180, 186, 190, 228, 248, 279, 285, 310, 342, 360, 372, 380, 456, 465, 558, 570, 589, 607, 620, 684, 744, 760, 855, 930, 1116, 1140, 1178, 1214, 1240, 1368, 1395, 1710, 1767, 1821, 1860, 2232, 2280, 2356, 2428, 2790, 2945, 3035, 3420, 3534, 3642, 3720, 4712, 4856, 5301, 5463, 5580, 5890, 6070, 6840, 7068, 7284, 8835, 9105, 10602, 10926, 11160, 11533, 11780, 12140, 14136, 14568, 17670, 18210, 18817, 21204, 21852, 23066, 23560, 24280, 26505, 27315, 34599, 35340, 36420, 37634, 42408, 43704, 46132, 53010, 54630, 56451, 57665, 69198, 70680, 72840, 75268, 92264, 94085, 103797, 106020, 109260, 112902, 115330, 138396, 150536, 169353, 172995, 188170, 207594, 212040, 218520, 225804, 230660, 276792, 282255, 338706, 345990, 357523, 376340, 415188, 451608, 461320, 518985, 564510, 677412, 691980, 715046, 752680, 830376, 846765, 1037970, 1072569, 1129020, 1354824, 1383960, 1430092, 1693530, 1787615, 2075940, 2145138, 2258040, 2860184, 3217707, 3387060, 3575230, 4151880, 4290276, 5362845, 6435414, 6774120, 7150460, 8580552, 10725690, 12870828, 14300920, 16088535, 21451380, 25741656, 32177070, 42902760, 64354140, 128708280]

約数ペア:

[(1, 128708280), (2, 64354140), (3, 42902760), (4, 32177070), (5, 25741656), (6, 21451380), (8, 16088535), (9, 14300920), (10, 12870828), (12, 10725690), (15, 8580552), (18, 7150460), (19, 6774120), (20, 6435414), (24, 5362845), (30, 4290276), (31, 4151880), (36, 3575230), (38, 3387060), (40, 3217707), (45, 2860184), (57, 2258040), (60, 2145138), (62, 2075940), (72, 1787615), (76, 1693530), (90, 1430092), (93, 1383960), (95, 1354824), (114, 1129020), (120, 1072569), (124, 1037970), (152, 846765), (155, 830376), (171, 752680), (180, 715046), (186, 691980), (190, 677412), (228, 564510), (248, 518985), (279, 461320), (285, 451608), (310, 415188), (342, 376340), (360, 357523), (372, 345990), (380, 338706), (456, 282255), (465, 276792), (558, 230660), (570, 225804), (589, 218520), (607, 212040), (620, 207594), (684, 188170), (744, 172995), (760, 169353), (855, 150536), (930, 138396), (1116, 115330), (1140, 112902), (1178, 109260), (1214, 106020), (1240, 103797), (1368, 94085), (1395, 92264), (1710, 75268), (1767, 72840), (1821, 70680), (1860, 69198), (2232, 57665), (2280, 56451), (2356, 54630), (2428, 53010), (2790, 46132), (2945, 43704), (3035, 42408), (3420, 37634), (3534, 36420), (3642, 35340), (3720, 34599), (4712, 27315), (4856, 26505), (5301, 24280), (5463, 23560), (5580, 23066), (5890, 21852), (6070, 21204), (6840, 18817), (7068, 18210), (7284, 17670), (8835, 14568), (9105, 14136), (10602, 12140), (10926, 11780), (11160, 11533)]