480651780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{163487}}^1$

素因数の和:163513

約数の個数: 72

約数和(自身を含む): 1565561088

約数和(自身を除く): 1084909308

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 163487, 326974, 490461, 653948, 817435, 980922, 1144409, 1634870, 1961844, 2288818, 2452305, 3269740, 3433227, 4577636, 4904610, 5722045, 6866454, 8010863, 9809220, 11444090, 13732908, 16021726, 17166135, 22888180, 24032589, 32043452, 34332270, 40054315, 48065178, 68664540, 80108630, 96130356, 120162945, 160217260, 240325890, 480651780]

約数ペア:

[(1, 480651780), (2, 240325890), (3, 160217260), (4, 120162945), (5, 96130356), (6, 80108630), (7, 68664540), (10, 48065178), (12, 40054315), (14, 34332270), (15, 32043452), (20, 24032589), (21, 22888180), (28, 17166135), (30, 16021726), (35, 13732908), (42, 11444090), (49, 9809220), (60, 8010863), (70, 6866454), (84, 5722045), (98, 4904610), (105, 4577636), (140, 3433227), (147, 3269740), (196, 2452305), (210, 2288818), (245, 1961844), (294, 1634870), (420, 1144409), (490, 980922), (588, 817435), (735, 653948), (980, 490461), (1470, 326974), (2940, 163487)]