155530480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:267

約数の個数: 160

約数和(自身を含む): 437293440

約数和(自身を除く): 281762960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 61, 70, 80, 112, 116, 122, 140, 145, 157, 203, 232, 244, 280, 290, 305, 314, 406, 427, 464, 488, 560, 580, 610, 628, 785, 812, 854, 976, 1015, 1099, 1160, 1220, 1256, 1570, 1624, 1708, 1769, 2030, 2135, 2198, 2320, 2440, 2512, 3140, 3248, 3416, 3538, 4060, 4270, 4396, 4553, 4880, 5495, 6280, 6832, 7076, 8120, 8540, 8792, 8845, 9106, 9577, 10990, 12383, 12560, 14152, 16240, 17080, 17584, 17690, 18212, 19154, 21980, 22765, 24766, 28304, 31871, 34160, 35380, 36424, 38308, 43960, 45530, 47885, 49532, 61915, 63742, 67039, 70760, 72848, 76616, 87920, 91060, 95770, 99064, 123830, 127484, 134078, 141520, 153232, 159355, 182120, 191540, 198128, 247660, 254968, 268156, 277733, 318710, 335195, 364240, 383080, 495320, 509936, 536312, 555466, 637420, 670390, 766160, 990640, 1072624, 1110932, 1274840, 1340780, 1388665, 1944131, 2221864, 2549680, 2681560, 2777330, 3888262, 4443728, 5363120, 5554660, 7776524, 9720655, 11109320, 15553048, 19441310, 22218640, 31106096, 38882620, 77765240, 155530480]

約数ペア:

[(1, 155530480), (2, 77765240), (4, 38882620), (5, 31106096), (7, 22218640), (8, 19441310), (10, 15553048), (14, 11109320), (16, 9720655), (20, 7776524), (28, 5554660), (29, 5363120), (35, 4443728), (40, 3888262), (56, 2777330), (58, 2681560), (61, 2549680), (70, 2221864), (80, 1944131), (112, 1388665), (116, 1340780), (122, 1274840), (140, 1110932), (145, 1072624), (157, 990640), (203, 766160), (232, 670390), (244, 637420), (280, 555466), (290, 536312), (305, 509936), (314, 495320), (406, 383080), (427, 364240), (464, 335195), (488, 318710), (560, 277733), (580, 268156), (610, 254968), (628, 247660), (785, 198128), (812, 191540), (854, 182120), (976, 159355), (1015, 153232), (1099, 141520), (1160, 134078), (1220, 127484), (1256, 123830), (1570, 99064), (1624, 95770), (1708, 91060), (1769, 87920), (2030, 76616), (2135, 72848), (2198, 70760), (2320, 67039), (2440, 63742), (2512, 61915), (3140, 49532), (3248, 47885), (3416, 45530), (3538, 43960), (4060, 38308), (4270, 36424), (4396, 35380), (4553, 34160), (4880, 31871), (5495, 28304), (6280, 24766), (6832, 22765), (7076, 21980), (8120, 19154), (8540, 18212), (8792, 17690), (8845, 17584), (9106, 17080), (9577, 16240), (10990, 14152), (12383, 12560)]