40448040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 128304000

約数和(自身を除く): 87855960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 59, 60, 87, 116, 118, 120, 145, 174, 177, 197, 232, 236, 290, 295, 348, 354, 394, 435, 472, 580, 590, 591, 696, 708, 788, 870, 885, 985, 1160, 1180, 1182, 1416, 1576, 1711, 1740, 1770, 1970, 2360, 2364, 2955, 3422, 3480, 3540, 3940, 4728, 5133, 5713, 5910, 6844, 7080, 7880, 8555, 10266, 11426, 11623, 11820, 13688, 17110, 17139, 20532, 22852, 23246, 23640, 25665, 28565, 34220, 34278, 34869, 41064, 45704, 46492, 51330, 57130, 58115, 68440, 68556, 69738, 85695, 92984, 102660, 114260, 116230, 137112, 139476, 171390, 174345, 205320, 228520, 232460, 278952, 337067, 342780, 348690, 464920, 674134, 685560, 697380, 1011201, 1348268, 1394760, 1685335, 2022402, 2696536, 3370670, 4044804, 5056005, 6741340, 8089608, 10112010, 13482680, 20224020, 40448040]

約数ペア:

[(1, 40448040), (2, 20224020), (3, 13482680), (4, 10112010), (5, 8089608), (6, 6741340), (8, 5056005), (10, 4044804), (12, 3370670), (15, 2696536), (20, 2022402), (24, 1685335), (29, 1394760), (30, 1348268), (40, 1011201), (58, 697380), (59, 685560), (60, 674134), (87, 464920), (116, 348690), (118, 342780), (120, 337067), (145, 278952), (174, 232460), (177, 228520), (197, 205320), (232, 174345), (236, 171390), (290, 139476), (295, 137112), (348, 116230), (354, 114260), (394, 102660), (435, 92984), (472, 85695), (580, 69738), (590, 68556), (591, 68440), (696, 58115), (708, 57130), (788, 51330), (870, 46492), (885, 45704), (985, 41064), (1160, 34869), (1180, 34278), (1182, 34220), (1416, 28565), (1576, 25665), (1711, 23640), (1740, 23246), (1770, 22852), (1970, 20532), (2360, 17139), (2364, 17110), (2955, 13688), (3422, 11820), (3480, 11623), (3540, 11426), (3940, 10266), (4728, 8555), (5133, 7880), (5713, 7080), (5910, 6844)]