51144840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:232

約数の個数: 192

約数和(自身を含む): 180189360

約数和(自身を除く): 129044520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 61, 68, 72, 85, 90, 102, 120, 122, 136, 137, 153, 170, 180, 183, 204, 244, 255, 274, 305, 306, 340, 360, 366, 408, 411, 488, 510, 548, 549, 610, 612, 680, 685, 732, 765, 822, 915, 1020, 1037, 1096, 1098, 1220, 1224, 1233, 1370, 1464, 1530, 1644, 1830, 2040, 2055, 2074, 2196, 2329, 2440, 2466, 2740, 2745, 3060, 3111, 3288, 3660, 4110, 4148, 4392, 4658, 4932, 5185, 5480, 5490, 6120, 6165, 6222, 6987, 7320, 8220, 8296, 8357, 9316, 9333, 9864, 10370, 10980, 11645, 12330, 12444, 13974, 15555, 16440, 16714, 18632, 18666, 20740, 20961, 21960, 23290, 24660, 24888, 25071, 27948, 31110, 33428, 34935, 37332, 41480, 41785, 41922, 46580, 46665, 49320, 50142, 55896, 62220, 66856, 69870, 74664, 75213, 83570, 83844, 93160, 93330, 100284, 104805, 124440, 125355, 139740, 142069, 150426, 167140, 167688, 186660, 200568, 209610, 250710, 279480, 284138, 300852, 334280, 373320, 376065, 419220, 426207, 501420, 568276, 601704, 710345, 752130, 838440, 852414, 1002840, 1136552, 1278621, 1420690, 1504260, 1704828, 2131035, 2557242, 2841380, 3008520, 3409656, 4262070, 5114484, 5682760, 6393105, 8524140, 10228968, 12786210, 17048280, 25572420, 51144840]

約数ペア:

[(1, 51144840), (2, 25572420), (3, 17048280), (4, 12786210), (5, 10228968), (6, 8524140), (8, 6393105), (9, 5682760), (10, 5114484), (12, 4262070), (15, 3409656), (17, 3008520), (18, 2841380), (20, 2557242), (24, 2131035), (30, 1704828), (34, 1504260), (36, 1420690), (40, 1278621), (45, 1136552), (51, 1002840), (60, 852414), (61, 838440), (68, 752130), (72, 710345), (85, 601704), (90, 568276), (102, 501420), (120, 426207), (122, 419220), (136, 376065), (137, 373320), (153, 334280), (170, 300852), (180, 284138), (183, 279480), (204, 250710), (244, 209610), (255, 200568), (274, 186660), (305, 167688), (306, 167140), (340, 150426), (360, 142069), (366, 139740), (408, 125355), (411, 124440), (488, 104805), (510, 100284), (548, 93330), (549, 93160), (610, 83844), (612, 83570), (680, 75213), (685, 74664), (732, 69870), (765, 66856), (822, 62220), (915, 55896), (1020, 50142), (1037, 49320), (1096, 46665), (1098, 46580), (1220, 41922), (1224, 41785), (1233, 41480), (1370, 37332), (1464, 34935), (1530, 33428), (1644, 31110), (1830, 27948), (2040, 25071), (2055, 24888), (2074, 24660), (2196, 23290), (2329, 21960), (2440, 20961), (2466, 20740), (2740, 18666), (2745, 18632), (3060, 16714), (3111, 16440), (3288, 15555), (3660, 13974), (4110, 12444), (4148, 12330), (4392, 11645), (4658, 10980), (4932, 10370), (5185, 9864), (5480, 9333), (5490, 9316), (6120, 8357), (6165, 8296), (6222, 8220), (6987, 7320)]