145913220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 457814448

約数和(自身を除く): 311901228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 97, 122, 137, 180, 183, 194, 244, 274, 291, 305, 366, 388, 411, 485, 548, 549, 582, 610, 685, 732, 822, 873, 915, 970, 1098, 1164, 1220, 1233, 1370, 1455, 1644, 1746, 1830, 1940, 2055, 2196, 2466, 2740, 2745, 2910, 3492, 3660, 4110, 4365, 4932, 5490, 5820, 5917, 6165, 8220, 8357, 8730, 10980, 11834, 12330, 13289, 16714, 17460, 17751, 23668, 24660, 25071, 26578, 29585, 33428, 35502, 39867, 41785, 50142, 53156, 53253, 59170, 66445, 71004, 75213, 79734, 83570, 88755, 100284, 106506, 118340, 119601, 125355, 132890, 150426, 159468, 167140, 177510, 199335, 213012, 239202, 250710, 265780, 266265, 300852, 355020, 376065, 398670, 478404, 501420, 532530, 598005, 752130, 797340, 810629, 1065060, 1196010, 1504260, 1621258, 2392020, 2431887, 3242516, 4053145, 4863774, 7295661, 8106290, 9727548, 12159435, 14591322, 16212580, 24318870, 29182644, 36478305, 48637740, 72956610, 145913220]

約数ペア:

[(1, 145913220), (2, 72956610), (3, 48637740), (4, 36478305), (5, 29182644), (6, 24318870), (9, 16212580), (10, 14591322), (12, 12159435), (15, 9727548), (18, 8106290), (20, 7295661), (30, 4863774), (36, 4053145), (45, 3242516), (60, 2431887), (61, 2392020), (90, 1621258), (97, 1504260), (122, 1196010), (137, 1065060), (180, 810629), (183, 797340), (194, 752130), (244, 598005), (274, 532530), (291, 501420), (305, 478404), (366, 398670), (388, 376065), (411, 355020), (485, 300852), (548, 266265), (549, 265780), (582, 250710), (610, 239202), (685, 213012), (732, 199335), (822, 177510), (873, 167140), (915, 159468), (970, 150426), (1098, 132890), (1164, 125355), (1220, 119601), (1233, 118340), (1370, 106506), (1455, 100284), (1644, 88755), (1746, 83570), (1830, 79734), (1940, 75213), (2055, 71004), (2196, 66445), (2466, 59170), (2740, 53253), (2745, 53156), (2910, 50142), (3492, 41785), (3660, 39867), (4110, 35502), (4365, 33428), (4932, 29585), (5490, 26578), (5820, 25071), (5917, 24660), (6165, 23668), (8220, 17751), (8357, 17460), (8730, 16714), (10980, 13289), (11834, 12330)]