42010020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1381}}^1$

素因数の和:1422

約数の個数: 108

約数和(自身を含む): 138086676

約数和(自身を除く): 96076656

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 676, 780, 845, 1014, 1170, 1381, 1521, 1690, 2028, 2340, 2535, 2762, 3042, 3380, 4143, 5070, 5524, 6084, 6905, 7605, 8286, 10140, 12429, 13810, 15210, 16572, 17953, 20715, 24858, 27620, 30420, 35906, 41430, 49716, 53859, 62145, 71812, 82860, 89765, 107718, 124290, 161577, 179530, 215436, 233389, 248580, 269295, 323154, 359060, 466778, 538590, 646308, 700167, 807885, 933556, 1077180, 1166945, 1400334, 1615770, 2100501, 2333890, 2800668, 3231540, 3500835, 4201002, 4667780, 7001670, 8402004, 10502505, 14003340, 21005010, 42010020]

約数ペア:

[(1, 42010020), (2, 21005010), (3, 14003340), (4, 10502505), (5, 8402004), (6, 7001670), (9, 4667780), (10, 4201002), (12, 3500835), (13, 3231540), (15, 2800668), (18, 2333890), (20, 2100501), (26, 1615770), (30, 1400334), (36, 1166945), (39, 1077180), (45, 933556), (52, 807885), (60, 700167), (65, 646308), (78, 538590), (90, 466778), (117, 359060), (130, 323154), (156, 269295), (169, 248580), (180, 233389), (195, 215436), (234, 179530), (260, 161577), (338, 124290), (390, 107718), (468, 89765), (507, 82860), (585, 71812), (676, 62145), (780, 53859), (845, 49716), (1014, 41430), (1170, 35906), (1381, 30420), (1521, 27620), (1690, 24858), (2028, 20715), (2340, 17953), (2535, 16572), (2762, 15210), (3042, 13810), (3380, 12429), (4143, 10140), (5070, 8286), (5524, 7605), (6084, 6905)]