129176820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{353}}^1$

素因数の和:494

約数の個数: 144

約数和(自身を含む): 417493440

約数和(自身を除く): 288316620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 107, 114, 171, 180, 190, 214, 228, 285, 321, 342, 353, 380, 428, 535, 570, 642, 684, 706, 855, 963, 1059, 1070, 1140, 1284, 1412, 1605, 1710, 1765, 1926, 2033, 2118, 2140, 3177, 3210, 3420, 3530, 3852, 4066, 4236, 4815, 5295, 6099, 6354, 6420, 6707, 7060, 8132, 9630, 10165, 10590, 12198, 12708, 13414, 15885, 18297, 19260, 20121, 20330, 21180, 24396, 26828, 30495, 31770, 33535, 36594, 37771, 40242, 40660, 60363, 60990, 63540, 67070, 73188, 75542, 80484, 91485, 100605, 113313, 120726, 121980, 134140, 151084, 182970, 188855, 201210, 226626, 241452, 301815, 339939, 365940, 377710, 402420, 453252, 566565, 603630, 679878, 717649, 755420, 1133130, 1207260, 1359756, 1435298, 1699695, 2152947, 2266260, 2870596, 3399390, 3588245, 4305894, 6458841, 6798780, 7176490, 8611788, 10764735, 12917682, 14352980, 21529470, 25835364, 32294205, 43058940, 64588410, 129176820]

約数ペア:

[(1, 129176820), (2, 64588410), (3, 43058940), (4, 32294205), (5, 25835364), (6, 21529470), (9, 14352980), (10, 12917682), (12, 10764735), (15, 8611788), (18, 7176490), (19, 6798780), (20, 6458841), (30, 4305894), (36, 3588245), (38, 3399390), (45, 2870596), (57, 2266260), (60, 2152947), (76, 1699695), (90, 1435298), (95, 1359756), (107, 1207260), (114, 1133130), (171, 755420), (180, 717649), (190, 679878), (214, 603630), (228, 566565), (285, 453252), (321, 402420), (342, 377710), (353, 365940), (380, 339939), (428, 301815), (535, 241452), (570, 226626), (642, 201210), (684, 188855), (706, 182970), (855, 151084), (963, 134140), (1059, 121980), (1070, 120726), (1140, 113313), (1284, 100605), (1412, 91485), (1605, 80484), (1710, 75542), (1765, 73188), (1926, 67070), (2033, 63540), (2118, 60990), (2140, 60363), (3177, 40660), (3210, 40242), (3420, 37771), (3530, 36594), (3852, 33535), (4066, 31770), (4236, 30495), (4815, 26828), (5295, 24396), (6099, 21180), (6354, 20330), (6420, 20121), (6707, 19260), (7060, 18297), (8132, 15885), (9630, 13414), (10165, 12708), (10590, 12198)]