729846540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1787}}^1\times {\mathrm{2269}}^1$

素因数の和:4071

約数の個数: 72

約数和(自身を含む): 2216082960

約数和(自身を除く): 1486236420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1787, 2269, 3574, 4538, 5361, 6807, 7148, 8935, 9076, 10722, 11345, 13614, 16083, 17870, 20421, 21444, 22690, 26805, 27228, 32166, 34035, 35740, 40842, 45380, 53610, 64332, 68070, 80415, 81684, 102105, 107220, 136140, 160830, 204210, 321660, 408420, 4054703, 8109406, 12164109, 16218812, 20273515, 24328218, 36492327, 40547030, 48656436, 60820545, 72984654, 81094060, 121641090, 145969308, 182461635, 243282180, 364923270, 729846540]

約数ペア:

[(1, 729846540), (2, 364923270), (3, 243282180), (4, 182461635), (5, 145969308), (6, 121641090), (9, 81094060), (10, 72984654), (12, 60820545), (15, 48656436), (18, 40547030), (20, 36492327), (30, 24328218), (36, 20273515), (45, 16218812), (60, 12164109), (90, 8109406), (180, 4054703), (1787, 408420), (2269, 321660), (3574, 204210), (4538, 160830), (5361, 136140), (6807, 107220), (7148, 102105), (8935, 81684), (9076, 80415), (10722, 68070), (11345, 64332), (13614, 53610), (16083, 45380), (17870, 40842), (20421, 35740), (21444, 34035), (22690, 32166), (26805, 27228)]