261068640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{77699}}^1$

素因数の和:77724

約数の個数: 96

約数和(自身を含む): 939859200

約数和(自身を除く): 678790560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 77699, 155398, 233097, 310796, 388495, 466194, 543893, 621592, 776990, 932388, 1087786, 1165485, 1243184, 1553980, 1631679, 1864776, 2175572, 2330970, 2486368, 2719465, 3107960, 3263358, 3729552, 4351144, 4661940, 5438930, 6215920, 6526716, 7459104, 8158395, 8702288, 9323880, 10877860, 12431840, 13053432, 16316790, 17404576, 18647760, 21755720, 26106864, 32633580, 37295520, 43511440, 52213728, 65267160, 87022880, 130534320, 261068640]

約数ペア:

[(1, 261068640), (2, 130534320), (3, 87022880), (4, 65267160), (5, 52213728), (6, 43511440), (7, 37295520), (8, 32633580), (10, 26106864), (12, 21755720), (14, 18647760), (15, 17404576), (16, 16316790), (20, 13053432), (21, 12431840), (24, 10877860), (28, 9323880), (30, 8702288), (32, 8158395), (35, 7459104), (40, 6526716), (42, 6215920), (48, 5438930), (56, 4661940), (60, 4351144), (70, 3729552), (80, 3263358), (84, 3107960), (96, 2719465), (105, 2486368), (112, 2330970), (120, 2175572), (140, 1864776), (160, 1631679), (168, 1553980), (210, 1243184), (224, 1165485), (240, 1087786), (280, 932388), (336, 776990), (420, 621592), (480, 543893), (560, 466194), (672, 388495), (840, 310796), (1120, 233097), (1680, 155398), (3360, 77699)]