89980020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38453}}^1$

素因数の和:38481

約数の個数: 72

約数和(自身を含む): 293942376

約数和(自身を除く): 203962356

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, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 38453, 76906, 115359, 153812, 192265, 230718, 346077, 384530, 461436, 499889, 576795, 692154, 769060, 999778, 1153590, 1384308, 1499667, 1730385, 1999556, 2307180, 2499445, 2999334, 3460770, 4499001, 4998890, 5998668, 6921540, 7498335, 8998002, 9997780, 14996670, 17996004, 22495005, 29993340, 44990010, 89980020]

約数ペア:

[(1, 89980020), (2, 44990010), (3, 29993340), (4, 22495005), (5, 17996004), (6, 14996670), (9, 9997780), (10, 8998002), (12, 7498335), (13, 6921540), (15, 5998668), (18, 4998890), (20, 4499001), (26, 3460770), (30, 2999334), (36, 2499445), (39, 2307180), (45, 1999556), (52, 1730385), (60, 1499667), (65, 1384308), (78, 1153590), (90, 999778), (117, 769060), (130, 692154), (156, 576795), (180, 499889), (195, 461436), (234, 384530), (260, 346077), (390, 230718), (468, 192265), (585, 153812), (780, 115359), (1170, 76906), (2340, 38453)]