1020620688640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{264289}}^1$

素因数の和:264748

約数の個数: 144

約数和(自身を含む): 2800442211840

約数和(自身を除く): 1779821523200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 431, 448, 560, 640, 862, 896, 1120, 1280, 1724, 1792, 2155, 2240, 3017, 3448, 4310, 4480, 6034, 6896, 8620, 8960, 12068, 13792, 15085, 17240, 24136, 27584, 30170, 34480, 48272, 55168, 60340, 68960, 96544, 110336, 120680, 137920, 193088, 241360, 264289, 275840, 386176, 482720, 528578, 551680, 772352, 965440, 1057156, 1321445, 1850023, 1930880, 2114312, 2642890, 3700046, 3861760, 4228624, 5285780, 7400092, 8457248, 9250115, 10571560, 14800184, 16914496, 18500230, 21143120, 29600368, 33828992, 37000460, 42286240, 59200736, 67657984, 74000920, 84572480, 113908559, 118401472, 148001840, 169144960, 227817118, 236802944, 296003680, 338289920, 455634236, 473605888, 569542795, 592007360, 797359913, 911268472, 1139085590, 1184014720, 1594719826, 1822536944, 2278171180, 2368029440, 3189439652, 3645073888, 3986799565, 4556342360, 6378879304, 7290147776, 7973599130, 9112684720, 12757758608, 14580295552, 15947198260, 18225369440, 25515517216, 29160591104, 31894396520, 36450738880, 51031034432, 63788793040, 72901477760, 102062068864, 127577586080, 145802955520, 204124137728, 255155172160, 510310344320, 1020620688640]

約数ペア:

[(1, 1020620688640), (2, 510310344320), (4, 255155172160), (5, 204124137728), (7, 145802955520), (8, 127577586080), (10, 102062068864), (14, 72901477760), (16, 63788793040), (20, 51031034432), (28, 36450738880), (32, 31894396520), (35, 29160591104), (40, 25515517216), (56, 18225369440), (64, 15947198260), (70, 14580295552), (80, 12757758608), (112, 9112684720), (128, 7973599130), (140, 7290147776), (160, 6378879304), (224, 4556342360), (256, 3986799565), (280, 3645073888), (320, 3189439652), (431, 2368029440), (448, 2278171180), (560, 1822536944), (640, 1594719826), (862, 1184014720), (896, 1139085590), (1120, 911268472), (1280, 797359913), (1724, 592007360), (1792, 569542795), (2155, 473605888), (2240, 455634236), (3017, 338289920), (3448, 296003680), (4310, 236802944), (4480, 227817118), (6034, 169144960), (6896, 148001840), (8620, 118401472), (8960, 113908559), (12068, 84572480), (13792, 74000920), (15085, 67657984), (17240, 59200736), (24136, 42286240), (27584, 37000460), (30170, 33828992), (34480, 29600368), (48272, 21143120), (55168, 18500230), (60340, 16914496), (68960, 14800184), (96544, 10571560), (110336, 9250115), (120680, 8457248), (137920, 7400092), (193088, 5285780), (241360, 4228624), (264289, 3861760), (275840, 3700046), (386176, 2642890), (482720, 2114312), (528578, 1930880), (551680, 1850023), (772352, 1321445), (965440, 1057156)]