42756420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{14543}}^1$

素因数の和:14569

約数の個数: 72

約数和(自身を含む): 139273344

約数和(自身を除く): 96516924

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, 14543, 29086, 43629, 58172, 72715, 87258, 101801, 145430, 174516, 203602, 218145, 290860, 305403, 407204, 436290, 509005, 610806, 712607, 872580, 1018010, 1221612, 1425214, 1527015, 2036020, 2137821, 2850428, 3054030, 3563035, 4275642, 6108060, 7126070, 8551284, 10689105, 14252140, 21378210, 42756420]

約数ペア:

[(1, 42756420), (2, 21378210), (3, 14252140), (4, 10689105), (5, 8551284), (6, 7126070), (7, 6108060), (10, 4275642), (12, 3563035), (14, 3054030), (15, 2850428), (20, 2137821), (21, 2036020), (28, 1527015), (30, 1425214), (35, 1221612), (42, 1018010), (49, 872580), (60, 712607), (70, 610806), (84, 509005), (98, 436290), (105, 407204), (140, 305403), (147, 290860), (196, 218145), (210, 203602), (245, 174516), (294, 145430), (420, 101801), (490, 87258), (588, 72715), (735, 58172), (980, 43629), (1470, 29086), (2940, 14543)]