155640240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{30881}}^1$

素因数の和:30907

約数の個数: 120

約数和(自身を含む): 597381408

約数和(自身を除く): 441741168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 30881, 61762, 92643, 123524, 154405, 185286, 216167, 247048, 277929, 308810, 370572, 432334, 463215, 494096, 555858, 617620, 648501, 741144, 864668, 926430, 1080835, 1111716, 1235240, 1297002, 1389645, 1482288, 1729336, 1852860, 1945503, 2161670, 2223432, 2470480, 2594004, 2779290, 3242505, 3458672, 3705720, 3891006, 4323340, 4446864, 5188008, 5558580, 6485010, 7411440, 7782012, 8646680, 9727515, 10376016, 11117160, 12970020, 15564024, 17293360, 19455030, 22234320, 25940040, 31128048, 38910060, 51880080, 77820120, 155640240]

約数ペア:

[(1, 155640240), (2, 77820120), (3, 51880080), (4, 38910060), (5, 31128048), (6, 25940040), (7, 22234320), (8, 19455030), (9, 17293360), (10, 15564024), (12, 12970020), (14, 11117160), (15, 10376016), (16, 9727515), (18, 8646680), (20, 7782012), (21, 7411440), (24, 6485010), (28, 5558580), (30, 5188008), (35, 4446864), (36, 4323340), (40, 3891006), (42, 3705720), (45, 3458672), (48, 3242505), (56, 2779290), (60, 2594004), (63, 2470480), (70, 2223432), (72, 2161670), (80, 1945503), (84, 1852860), (90, 1729336), (105, 1482288), (112, 1389645), (120, 1297002), (126, 1235240), (140, 1111716), (144, 1080835), (168, 926430), (180, 864668), (210, 741144), (240, 648501), (252, 617620), (280, 555858), (315, 494096), (336, 463215), (360, 432334), (420, 370572), (504, 308810), (560, 277929), (630, 247048), (720, 216167), (840, 185286), (1008, 154405), (1260, 123524), (1680, 92643), (2520, 61762), (5040, 30881)]