138323840

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9397}}^1$

素因数の和:9439

約数の個数: 64

約数和(自身を含む): 345094560

約数和(自身を除く): 206770720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2944, 3680, 7360, 9397, 14720, 18794, 37588, 46985, 75176, 93970, 150352, 187940, 216131, 300704, 375880, 432262, 601408, 751760, 864524, 1080655, 1202816, 1503520, 1729048, 2161310, 3007040, 3458096, 4322620, 6014080, 6916192, 8645240, 13832384, 17290480, 27664768, 34580960, 69161920, 138323840]

約数ペア:

[(1, 138323840), (2, 69161920), (4, 34580960), (5, 27664768), (8, 17290480), (10, 13832384), (16, 8645240), (20, 6916192), (23, 6014080), (32, 4322620), (40, 3458096), (46, 3007040), (64, 2161310), (80, 1729048), (92, 1503520), (115, 1202816), (128, 1080655), (160, 864524), (184, 751760), (230, 601408), (320, 432262), (368, 375880), (460, 300704), (640, 216131), (736, 187940), (920, 150352), (1472, 93970), (1840, 75176), (2944, 46985), (3680, 37588), (7360, 18794), (9397, 14720)]