881995840

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{757}}^1$

素因数の和:1116

約数の個数: 112

約数和(自身を含む): 2301142464

約数和(自身を除く): 1419146624

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 331, 352, 440, 662, 704, 757, 880, 1324, 1514, 1655, 1760, 2648, 3028, 3310, 3520, 3641, 3785, 5296, 6056, 6620, 7282, 7570, 8327, 10592, 12112, 13240, 14564, 15140, 16654, 18205, 21184, 24224, 26480, 29128, 30280, 33308, 36410, 41635, 48448, 52960, 58256, 60560, 66616, 72820, 83270, 105920, 116512, 121120, 133232, 145640, 166540, 233024, 242240, 250567, 266464, 291280, 333080, 501134, 532928, 582560, 666160, 1002268, 1165120, 1252835, 1332320, 2004536, 2505670, 2664640, 2756237, 4009072, 5011340, 5512474, 8018144, 10022680, 11024948, 13781185, 16036288, 20045360, 22049896, 27562370, 40090720, 44099792, 55124740, 80181440, 88199584, 110249480, 176399168, 220498960, 440997920, 881995840]

約数ペア:

[(1, 881995840), (2, 440997920), (4, 220498960), (5, 176399168), (8, 110249480), (10, 88199584), (11, 80181440), (16, 55124740), (20, 44099792), (22, 40090720), (32, 27562370), (40, 22049896), (44, 20045360), (55, 16036288), (64, 13781185), (80, 11024948), (88, 10022680), (110, 8018144), (160, 5512474), (176, 5011340), (220, 4009072), (320, 2756237), (331, 2664640), (352, 2505670), (440, 2004536), (662, 1332320), (704, 1252835), (757, 1165120), (880, 1002268), (1324, 666160), (1514, 582560), (1655, 532928), (1760, 501134), (2648, 333080), (3028, 291280), (3310, 266464), (3520, 250567), (3641, 242240), (3785, 233024), (5296, 166540), (6056, 145640), (6620, 133232), (7282, 121120), (7570, 116512), (8327, 105920), (10592, 83270), (12112, 72820), (13240, 66616), (14564, 60560), (15140, 58256), (16654, 52960), (18205, 48448), (21184, 41635), (24224, 36410), (26480, 33308), (29128, 30280)]