20125615680

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{13729}}^1$

素因数の和:14261

約数の個数: 168

約数和(自身を含む): 69364783800

約数和(自身を除く): 49239168120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 509, 576, 720, 960, 1018, 1440, 1527, 2036, 2545, 2880, 3054, 4072, 4581, 5090, 6108, 7635, 8144, 9162, 10180, 12216, 13729, 15270, 16288, 18324, 20360, 22905, 24432, 27458, 30540, 32576, 36648, 40720, 41187, 45810, 48864, 54916, 61080, 68645, 73296, 81440, 82374, 91620, 97728, 109832, 122160, 123561, 137290, 146592, 162880, 164748, 183240, 205935, 219664, 244320, 247122, 274580, 293184, 329496, 366480, 411870, 439328, 488640, 494244, 549160, 617805, 658992, 732960, 823740, 878656, 988488, 1098320, 1235610, 1317984, 1465920, 1647480, 1976976, 2196640, 2471220, 2635968, 3294960, 3953952, 4393280, 4942440, 6589920, 6988061, 7907904, 9884880, 13179840, 13976122, 19769760, 20964183, 27952244, 34940305, 39539520, 41928366, 55904488, 62892549, 69880610, 83856732, 104820915, 111808976, 125785098, 139761220, 167713464, 209641830, 223617952, 251570196, 279522440, 314462745, 335426928, 419283660, 447235904, 503140392, 559044880, 628925490, 670853856, 838567320, 1006280784, 1118089760, 1257850980, 1341707712, 1677134640, 2012561568, 2236179520, 2515701960, 3354269280, 4025123136, 5031403920, 6708538560, 10062807840, 20125615680]

約数ペア:

[(1, 20125615680), (2, 10062807840), (3, 6708538560), (4, 5031403920), (5, 4025123136), (6, 3354269280), (8, 2515701960), (9, 2236179520), (10, 2012561568), (12, 1677134640), (15, 1341707712), (16, 1257850980), (18, 1118089760), (20, 1006280784), (24, 838567320), (30, 670853856), (32, 628925490), (36, 559044880), (40, 503140392), (45, 447235904), (48, 419283660), (60, 335426928), (64, 314462745), (72, 279522440), (80, 251570196), (90, 223617952), (96, 209641830), (120, 167713464), (144, 139761220), (160, 125785098), (180, 111808976), (192, 104820915), (240, 83856732), (288, 69880610), (320, 62892549), (360, 55904488), (480, 41928366), (509, 39539520), (576, 34940305), (720, 27952244), (960, 20964183), (1018, 19769760), (1440, 13976122), (1527, 13179840), (2036, 9884880), (2545, 7907904), (2880, 6988061), (3054, 6589920), (4072, 4942440), (4581, 4393280), (5090, 3953952), (6108, 3294960), (7635, 2635968), (8144, 2471220), (9162, 2196640), (10180, 1976976), (12216, 1647480), (13729, 1465920), (15270, 1317984), (16288, 1235610), (18324, 1098320), (20360, 988488), (22905, 878656), (24432, 823740), (27458, 732960), (30540, 658992), (32576, 617805), (36648, 549160), (40720, 494244), (41187, 488640), (45810, 439328), (48864, 411870), (54916, 366480), (61080, 329496), (68645, 293184), (73296, 274580), (81440, 247122), (82374, 244320), (91620, 219664), (97728, 205935), (109832, 183240), (122160, 164748), (123561, 162880), (137290, 146592)]