81379060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 206438400

約数和(自身を除く): 125059340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 127, 140, 161, 199, 230, 254, 322, 398, 460, 508, 635, 644, 796, 805, 889, 995, 1270, 1393, 1610, 1778, 1990, 2540, 2786, 2921, 3220, 3556, 3980, 4445, 4577, 5572, 5842, 6965, 8890, 9154, 11684, 13930, 14605, 17780, 18308, 20447, 22885, 25273, 27860, 29210, 32039, 40894, 45770, 50546, 58420, 64078, 81788, 91540, 101092, 102235, 126365, 128156, 160195, 176911, 204470, 252730, 320390, 353822, 408940, 505460, 581279, 640780, 707644, 884555, 1162558, 1769110, 2325116, 2906395, 3538220, 4068953, 5812790, 8137906, 11625580, 16275812, 20344765, 40689530, 81379060]

約数ペア:

[(1, 81379060), (2, 40689530), (4, 20344765), (5, 16275812), (7, 11625580), (10, 8137906), (14, 5812790), (20, 4068953), (23, 3538220), (28, 2906395), (35, 2325116), (46, 1769110), (70, 1162558), (92, 884555), (115, 707644), (127, 640780), (140, 581279), (161, 505460), (199, 408940), (230, 353822), (254, 320390), (322, 252730), (398, 204470), (460, 176911), (508, 160195), (635, 128156), (644, 126365), (796, 102235), (805, 101092), (889, 91540), (995, 81788), (1270, 64078), (1393, 58420), (1610, 50546), (1778, 45770), (1990, 40894), (2540, 32039), (2786, 29210), (2921, 27860), (3220, 25273), (3556, 22885), (3980, 20447), (4445, 18308), (4577, 17780), (5572, 14605), (5842, 13930), (6965, 11684), (8890, 9154)]