171437440

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8641}}^1$

素因数の和:8691

約数の個数: 64

約数和(自身を含む): 423112320

約数和(自身を除く): 251674880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 8641, 9920, 17282, 19840, 34564, 43205, 69128, 86410, 138256, 172820, 267871, 276512, 345640, 535742, 553024, 691280, 1071484, 1106048, 1339355, 1382560, 2142968, 2678710, 2765120, 4285936, 5357420, 5530240, 8571872, 10714840, 17143744, 21429680, 34287488, 42859360, 85718720, 171437440]

約数ペア:

[(1, 171437440), (2, 85718720), (4, 42859360), (5, 34287488), (8, 21429680), (10, 17143744), (16, 10714840), (20, 8571872), (31, 5530240), (32, 5357420), (40, 4285936), (62, 2765120), (64, 2678710), (80, 2142968), (124, 1382560), (128, 1339355), (155, 1106048), (160, 1071484), (248, 691280), (310, 553024), (320, 535742), (496, 345640), (620, 276512), (640, 267871), (992, 172820), (1240, 138256), (1984, 86410), (2480, 69128), (3968, 43205), (4960, 34564), (8641, 19840), (9920, 17282)]