722488480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20809}}^1$

素因数の和:20862

約数の個数: 96

約数和(自身を含む): 2013742080

約数和(自身を除く): 1291253600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 2170, 2480, 3472, 4340, 4960, 6944, 8680, 17360, 20809, 34720, 41618, 83236, 104045, 145663, 166472, 208090, 291326, 332944, 416180, 582652, 645079, 665888, 728315, 832360, 1165304, 1290158, 1456630, 1664720, 2330608, 2580316, 2913260, 3225395, 3329440, 4515553, 4661216, 5160632, 5826520, 6450790, 9031106, 10321264, 11653040, 12901580, 18062212, 20642528, 22577765, 23306080, 25803160, 36124424, 45155530, 51606320, 72248848, 90311060, 103212640, 144497696, 180622120, 361244240, 722488480]

約数ペア:

[(1, 722488480), (2, 361244240), (4, 180622120), (5, 144497696), (7, 103212640), (8, 90311060), (10, 72248848), (14, 51606320), (16, 45155530), (20, 36124424), (28, 25803160), (31, 23306080), (32, 22577765), (35, 20642528), (40, 18062212), (56, 12901580), (62, 11653040), (70, 10321264), (80, 9031106), (112, 6450790), (124, 5826520), (140, 5160632), (155, 4661216), (160, 4515553), (217, 3329440), (224, 3225395), (248, 2913260), (280, 2580316), (310, 2330608), (434, 1664720), (496, 1456630), (560, 1290158), (620, 1165304), (868, 832360), (992, 728315), (1085, 665888), (1120, 645079), (1240, 582652), (1736, 416180), (2170, 332944), (2480, 291326), (3472, 208090), (4340, 166472), (4960, 145663), (6944, 104045), (8680, 83236), (17360, 41618), (20809, 34720)]