70721820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30223}}^1$

素因数の和:30251

約数の個数: 72

約数和(自身を含む): 231032256

約数和(自身を除く): 160310436

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, 30223, 60446, 90669, 120892, 151115, 181338, 272007, 302230, 362676, 392899, 453345, 544014, 604460, 785798, 906690, 1088028, 1178697, 1360035, 1571596, 1813380, 1964495, 2357394, 2720070, 3536091, 3928990, 4714788, 5440140, 5893485, 7072182, 7857980, 11786970, 14144364, 17680455, 23573940, 35360910, 70721820]

約数ペア:

[(1, 70721820), (2, 35360910), (3, 23573940), (4, 17680455), (5, 14144364), (6, 11786970), (9, 7857980), (10, 7072182), (12, 5893485), (13, 5440140), (15, 4714788), (18, 3928990), (20, 3536091), (26, 2720070), (30, 2357394), (36, 1964495), (39, 1813380), (45, 1571596), (52, 1360035), (60, 1178697), (65, 1088028), (78, 906690), (90, 785798), (117, 604460), (130, 544014), (156, 453345), (180, 392899), (195, 362676), (234, 302230), (260, 272007), (390, 181338), (468, 151115), (585, 120892), (780, 90669), (1170, 60446), (2340, 30223)]