128445870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:386

約数の個数: 128

約数和(自身を含む): 369119232

約数和(自身を除く): 240673362

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 61, 70, 74, 105, 111, 122, 183, 185, 210, 222, 259, 271, 305, 366, 370, 427, 518, 542, 555, 610, 777, 813, 854, 915, 1110, 1281, 1295, 1355, 1554, 1626, 1830, 1897, 2135, 2257, 2562, 2590, 2710, 3794, 3885, 4065, 4270, 4514, 5691, 6405, 6771, 7770, 8130, 9485, 10027, 11285, 11382, 12810, 13542, 15799, 16531, 18970, 20054, 22570, 28455, 30081, 31598, 33062, 33855, 47397, 49593, 50135, 56910, 60162, 67710, 70189, 78995, 82655, 94794, 99186, 100270, 115717, 140378, 150405, 157990, 165310, 210567, 231434, 236985, 247965, 300810, 347151, 350945, 421134, 473970, 495930, 578585, 611647, 694302, 701890, 1052835, 1157170, 1223294, 1735755, 1834941, 2105670, 3058235, 3471510, 3669882, 4281529, 6116470, 8563058, 9174705, 12844587, 18349410, 21407645, 25689174, 42815290, 64222935, 128445870]

約数ペア:

[(1, 128445870), (2, 64222935), (3, 42815290), (5, 25689174), (6, 21407645), (7, 18349410), (10, 12844587), (14, 9174705), (15, 8563058), (21, 6116470), (30, 4281529), (35, 3669882), (37, 3471510), (42, 3058235), (61, 2105670), (70, 1834941), (74, 1735755), (105, 1223294), (111, 1157170), (122, 1052835), (183, 701890), (185, 694302), (210, 611647), (222, 578585), (259, 495930), (271, 473970), (305, 421134), (366, 350945), (370, 347151), (427, 300810), (518, 247965), (542, 236985), (555, 231434), (610, 210567), (777, 165310), (813, 157990), (854, 150405), (915, 140378), (1110, 115717), (1281, 100270), (1295, 99186), (1355, 94794), (1554, 82655), (1626, 78995), (1830, 70189), (1897, 67710), (2135, 60162), (2257, 56910), (2562, 50135), (2590, 49593), (2710, 47397), (3794, 33855), (3885, 33062), (4065, 31598), (4270, 30081), (4514, 28455), (5691, 22570), (6405, 20054), (6771, 18970), (7770, 16531), (8130, 15799), (9485, 13542), (10027, 12810), (11285, 11382)]