121991220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1409}}^1$

素因数の和:1474

約数の個数: 144

約数和(自身を含む): 409565520

約数和(自身を除く): 287574300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 37, 39, 45, 52, 60, 65, 74, 78, 90, 111, 117, 130, 148, 156, 180, 185, 195, 222, 234, 260, 333, 370, 390, 444, 468, 481, 555, 585, 666, 740, 780, 962, 1110, 1170, 1332, 1409, 1443, 1665, 1924, 2220, 2340, 2405, 2818, 2886, 3330, 4227, 4329, 4810, 5636, 5772, 6660, 7045, 7215, 8454, 8658, 9620, 12681, 14090, 14430, 16908, 17316, 18317, 21135, 21645, 25362, 28180, 28860, 36634, 42270, 43290, 50724, 52133, 54951, 63405, 73268, 84540, 86580, 91585, 104266, 109902, 126810, 156399, 164853, 183170, 208532, 219804, 253620, 260665, 274755, 312798, 329706, 366340, 469197, 521330, 549510, 625596, 659412, 677729, 781995, 824265, 938394, 1042660, 1099020, 1355458, 1563990, 1648530, 1876788, 2033187, 2345985, 2710916, 3127980, 3297060, 3388645, 4066374, 4691970, 6099561, 6777290, 8132748, 9383940, 10165935, 12199122, 13554580, 20331870, 24398244, 30497805, 40663740, 60995610, 121991220]

約数ペア:

[(1, 121991220), (2, 60995610), (3, 40663740), (4, 30497805), (5, 24398244), (6, 20331870), (9, 13554580), (10, 12199122), (12, 10165935), (13, 9383940), (15, 8132748), (18, 6777290), (20, 6099561), (26, 4691970), (30, 4066374), (36, 3388645), (37, 3297060), (39, 3127980), (45, 2710916), (52, 2345985), (60, 2033187), (65, 1876788), (74, 1648530), (78, 1563990), (90, 1355458), (111, 1099020), (117, 1042660), (130, 938394), (148, 824265), (156, 781995), (180, 677729), (185, 659412), (195, 625596), (222, 549510), (234, 521330), (260, 469197), (333, 366340), (370, 329706), (390, 312798), (444, 274755), (468, 260665), (481, 253620), (555, 219804), (585, 208532), (666, 183170), (740, 164853), (780, 156399), (962, 126810), (1110, 109902), (1170, 104266), (1332, 91585), (1409, 86580), (1443, 84540), (1665, 73268), (1924, 63405), (2220, 54951), (2340, 52133), (2405, 50724), (2818, 43290), (2886, 42270), (3330, 36634), (4227, 28860), (4329, 28180), (4810, 25362), (5636, 21645), (5772, 21135), (6660, 18317), (7045, 17316), (7215, 16908), (8454, 14430), (8658, 14090), (9620, 12681)]