38815140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7109}}^1$

素因数の和:7141

約数の個数: 96

約数和(自身を含む): 133781760

約数和(自身を除く): 94966620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 7109, 14218, 21327, 28436, 35545, 42654, 49763, 71090, 85308, 92417, 99526, 106635, 142180, 149289, 184834, 199052, 213270, 248815, 277251, 298578, 369668, 426540, 462085, 497630, 554502, 597156, 646919, 746445, 924170, 995260, 1109004, 1293838, 1386255, 1492890, 1848340, 1940757, 2587676, 2772510, 2985780, 3234595, 3881514, 5545020, 6469190, 7763028, 9703785, 12938380, 19407570, 38815140]

約数ペア:

[(1, 38815140), (2, 19407570), (3, 12938380), (4, 9703785), (5, 7763028), (6, 6469190), (7, 5545020), (10, 3881514), (12, 3234595), (13, 2985780), (14, 2772510), (15, 2587676), (20, 1940757), (21, 1848340), (26, 1492890), (28, 1386255), (30, 1293838), (35, 1109004), (39, 995260), (42, 924170), (52, 746445), (60, 646919), (65, 597156), (70, 554502), (78, 497630), (84, 462085), (91, 426540), (105, 369668), (130, 298578), (140, 277251), (156, 248815), (182, 213270), (195, 199052), (210, 184834), (260, 149289), (273, 142180), (364, 106635), (390, 99526), (420, 92417), (455, 85308), (546, 71090), (780, 49763), (910, 42654), (1092, 35545), (1365, 28436), (1820, 21327), (2730, 14218), (5460, 7109)]