399714720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:307

約数の個数: 192

約数和(自身を含む): 1300561920

約数和(自身を除く): 900847200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 79, 80, 83, 96, 120, 127, 158, 160, 166, 237, 240, 249, 254, 316, 332, 381, 395, 415, 474, 480, 498, 508, 632, 635, 664, 762, 790, 830, 948, 996, 1016, 1185, 1245, 1264, 1270, 1328, 1524, 1580, 1660, 1896, 1905, 1992, 2032, 2370, 2490, 2528, 2540, 2656, 3048, 3160, 3320, 3792, 3810, 3984, 4064, 4740, 4980, 5080, 6096, 6320, 6557, 6640, 7584, 7620, 7968, 9480, 9960, 10033, 10160, 10541, 12192, 12640, 13114, 13280, 15240, 18960, 19671, 19920, 20066, 20320, 21082, 26228, 30099, 30480, 31623, 32785, 37920, 39342, 39840, 40132, 42164, 50165, 52456, 52705, 60198, 60960, 63246, 65570, 78684, 80264, 84328, 98355, 100330, 104912, 105410, 120396, 126492, 131140, 150495, 157368, 158115, 160528, 168656, 196710, 200660, 209824, 210820, 240792, 252984, 262280, 300990, 314736, 316230, 321056, 337312, 393420, 401320, 421640, 481584, 505968, 524560, 601980, 629472, 632460, 786840, 802640, 832739, 843280, 963168, 1011936, 1049120, 1203960, 1264920, 1573680, 1605280, 1665478, 1686560, 2407920, 2498217, 2529840, 3147360, 3330956, 4163695, 4815840, 4996434, 5059680, 6661912, 8327390, 9992868, 12491085, 13323824, 16654780, 19985736, 24982170, 26647648, 33309560, 39971472, 49964340, 66619120, 79942944, 99928680, 133238240, 199857360, 399714720]

約数ペア:

[(1, 399714720), (2, 199857360), (3, 133238240), (4, 99928680), (5, 79942944), (6, 66619120), (8, 49964340), (10, 39971472), (12, 33309560), (15, 26647648), (16, 24982170), (20, 19985736), (24, 16654780), (30, 13323824), (32, 12491085), (40, 9992868), (48, 8327390), (60, 6661912), (79, 5059680), (80, 4996434), (83, 4815840), (96, 4163695), (120, 3330956), (127, 3147360), (158, 2529840), (160, 2498217), (166, 2407920), (237, 1686560), (240, 1665478), (249, 1605280), (254, 1573680), (316, 1264920), (332, 1203960), (381, 1049120), (395, 1011936), (415, 963168), (474, 843280), (480, 832739), (498, 802640), (508, 786840), (632, 632460), (635, 629472), (664, 601980), (762, 524560), (790, 505968), (830, 481584), (948, 421640), (996, 401320), (1016, 393420), (1185, 337312), (1245, 321056), (1264, 316230), (1270, 314736), (1328, 300990), (1524, 262280), (1580, 252984), (1660, 240792), (1896, 210820), (1905, 209824), (1992, 200660), (2032, 196710), (2370, 168656), (2490, 160528), (2528, 158115), (2540, 157368), (2656, 150495), (3048, 131140), (3160, 126492), (3320, 120396), (3792, 105410), (3810, 104912), (3984, 100330), (4064, 98355), (4740, 84328), (4980, 80264), (5080, 78684), (6096, 65570), (6320, 63246), (6557, 60960), (6640, 60198), (7584, 52705), (7620, 52456), (7968, 50165), (9480, 42164), (9960, 40132), (10033, 39840), (10160, 39342), (10541, 37920), (12192, 32785), (12640, 31623), (13114, 30480), (13280, 30099), (15240, 26228), (18960, 21082), (19671, 20320), (19920, 20066)]