161555220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{39023}}^1$

素因数の和:39061

約数の個数: 72

約数和(自身を含む): 511370496

約数和(自身を除く): 349815276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 39023, 78046, 117069, 156092, 195115, 234138, 351207, 390230, 468276, 585345, 702414, 780460, 897529, 1170690, 1404828, 1756035, 1795058, 2341380, 2692587, 3512070, 3590116, 4487645, 5385174, 7024140, 8077761, 8975290, 10770348, 13462935, 16155522, 17950580, 26925870, 32311044, 40388805, 53851740, 80777610, 161555220]

約数ペア:

[(1, 161555220), (2, 80777610), (3, 53851740), (4, 40388805), (5, 32311044), (6, 26925870), (9, 17950580), (10, 16155522), (12, 13462935), (15, 10770348), (18, 8975290), (20, 8077761), (23, 7024140), (30, 5385174), (36, 4487645), (45, 3590116), (46, 3512070), (60, 2692587), (69, 2341380), (90, 1795058), (92, 1756035), (115, 1404828), (138, 1170690), (180, 897529), (207, 780460), (230, 702414), (276, 585345), (345, 468276), (414, 390230), (460, 351207), (690, 234138), (828, 195115), (1035, 156092), (1380, 117069), (2070, 78046), (4140, 39023)]