397404240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{379}}^1$

素因数の和:669

約数の個数: 160

約数和(自身を含む): 1312951680

約数和(自身を除く): 915547440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 257, 272, 340, 379, 408, 510, 514, 680, 758, 771, 816, 1020, 1028, 1137, 1285, 1360, 1516, 1542, 1895, 2040, 2056, 2274, 2570, 3032, 3084, 3790, 3855, 4080, 4112, 4369, 4548, 5140, 5685, 6064, 6168, 6443, 7580, 7710, 8738, 9096, 10280, 11370, 12336, 12886, 13107, 15160, 15420, 17476, 18192, 19329, 20560, 21845, 22740, 25772, 26214, 30320, 30840, 32215, 34952, 38658, 43690, 45480, 51544, 52428, 61680, 64430, 65535, 69904, 77316, 87380, 90960, 96645, 97403, 103088, 104856, 128860, 131070, 154632, 174760, 193290, 194806, 209712, 257720, 262140, 292209, 309264, 349520, 386580, 389612, 487015, 515440, 524280, 584418, 773160, 779224, 974030, 1048560, 1168836, 1461045, 1546320, 1558448, 1655851, 1948060, 2337672, 2922090, 3311702, 3896120, 4675344, 4967553, 5844180, 6623404, 7792240, 8279255, 9935106, 11688360, 13246808, 16558510, 19870212, 23376720, 24837765, 26493616, 33117020, 39740424, 49675530, 66234040, 79480848, 99351060, 132468080, 198702120, 397404240]

約数ペア:

[(1, 397404240), (2, 198702120), (3, 132468080), (4, 99351060), (5, 79480848), (6, 66234040), (8, 49675530), (10, 39740424), (12, 33117020), (15, 26493616), (16, 24837765), (17, 23376720), (20, 19870212), (24, 16558510), (30, 13246808), (34, 11688360), (40, 9935106), (48, 8279255), (51, 7792240), (60, 6623404), (68, 5844180), (80, 4967553), (85, 4675344), (102, 3896120), (120, 3311702), (136, 2922090), (170, 2337672), (204, 1948060), (240, 1655851), (255, 1558448), (257, 1546320), (272, 1461045), (340, 1168836), (379, 1048560), (408, 974030), (510, 779224), (514, 773160), (680, 584418), (758, 524280), (771, 515440), (816, 487015), (1020, 389612), (1028, 386580), (1137, 349520), (1285, 309264), (1360, 292209), (1516, 262140), (1542, 257720), (1895, 209712), (2040, 194806), (2056, 193290), (2274, 174760), (2570, 154632), (3032, 131070), (3084, 128860), (3790, 104856), (3855, 103088), (4080, 97403), (4112, 96645), (4369, 90960), (4548, 87380), (5140, 77316), (5685, 69904), (6064, 65535), (6168, 64430), (6443, 61680), (7580, 52428), (7710, 51544), (8738, 45480), (9096, 43690), (10280, 38658), (11370, 34952), (12336, 32215), (12886, 30840), (13107, 30320), (15160, 26214), (15420, 25772), (17476, 22740), (18192, 21845), (19329, 20560)]