31978320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12113}}^1$

素因数の和:12140

約数の個数: 80

約数和(自身を含む): 108153792

約数和(自身を除く): 76175472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 12113, 24226, 36339, 48452, 60565, 72678, 96904, 121130, 133243, 145356, 181695, 193808, 242260, 266486, 290712, 363390, 399729, 484520, 532972, 581424, 666215, 726780, 799458, 969040, 1065944, 1332430, 1453560, 1598916, 1998645, 2131888, 2664860, 2907120, 3197832, 3997290, 5329720, 6395664, 7994580, 10659440, 15989160, 31978320]

約数ペア:

[(1, 31978320), (2, 15989160), (3, 10659440), (4, 7994580), (5, 6395664), (6, 5329720), (8, 3997290), (10, 3197832), (11, 2907120), (12, 2664860), (15, 2131888), (16, 1998645), (20, 1598916), (22, 1453560), (24, 1332430), (30, 1065944), (33, 969040), (40, 799458), (44, 726780), (48, 666215), (55, 581424), (60, 532972), (66, 484520), (80, 399729), (88, 363390), (110, 290712), (120, 266486), (132, 242260), (165, 193808), (176, 181695), (220, 145356), (240, 133243), (264, 121130), (330, 96904), (440, 72678), (528, 60565), (660, 48452), (880, 36339), (1320, 24226), (2640, 12113)]