72231320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4229}}^1$

素因数の和:4308

約数の個数: 64

約数和(自身を含む): 188827200

約数和(自身を除く): 116595880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4229, 4270, 8458, 8540, 16916, 17080, 21145, 29603, 33832, 42290, 59206, 84580, 118412, 148015, 169160, 236824, 257969, 296030, 515938, 592060, 1031876, 1184120, 1289845, 1805783, 2063752, 2579690, 3611566, 5159380, 7223132, 9028915, 10318760, 14446264, 18057830, 36115660, 72231320]

約数ペア:

[(1, 72231320), (2, 36115660), (4, 18057830), (5, 14446264), (7, 10318760), (8, 9028915), (10, 7223132), (14, 5159380), (20, 3611566), (28, 2579690), (35, 2063752), (40, 1805783), (56, 1289845), (61, 1184120), (70, 1031876), (122, 592060), (140, 515938), (244, 296030), (280, 257969), (305, 236824), (427, 169160), (488, 148015), (610, 118412), (854, 84580), (1220, 59206), (1708, 42290), (2135, 33832), (2440, 29603), (3416, 21145), (4229, 17080), (4270, 16916), (8458, 8540)]