72830720

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3347}}^1$

素因数の和:3385

約数の個数: 72

約数和(自身を含む): 184769424

約数和(自身を除く): 111938704

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 3347, 4352, 5440, 6694, 10880, 13388, 16735, 21760, 26776, 33470, 53552, 56899, 66940, 107104, 113798, 133880, 214208, 227596, 267760, 284495, 428416, 455192, 535520, 568990, 856832, 910384, 1071040, 1137980, 1820768, 2142080, 2275960, 3641536, 4284160, 4551920, 7283072, 9103840, 14566144, 18207680, 36415360, 72830720]

約数ペア:

[(1, 72830720), (2, 36415360), (4, 18207680), (5, 14566144), (8, 9103840), (10, 7283072), (16, 4551920), (17, 4284160), (20, 3641536), (32, 2275960), (34, 2142080), (40, 1820768), (64, 1137980), (68, 1071040), (80, 910384), (85, 856832), (128, 568990), (136, 535520), (160, 455192), (170, 428416), (256, 284495), (272, 267760), (320, 227596), (340, 214208), (544, 133880), (640, 113798), (680, 107104), (1088, 66940), (1280, 56899), (1360, 53552), (2176, 33470), (2720, 26776), (3347, 21760), (4352, 16735), (5440, 13388), (6694, 10880)]