1234711980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{809}}^1$

素因数の和:1024

約数の個数: 144

約数和(自身を含む): 3838816800

約数和(自身を除く): 2604104820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 139, 180, 183, 244, 278, 305, 366, 417, 549, 556, 610, 695, 732, 809, 834, 915, 1098, 1220, 1251, 1390, 1618, 1668, 1830, 2085, 2196, 2427, 2502, 2745, 2780, 3236, 3660, 4045, 4170, 4854, 5004, 5490, 6255, 7281, 8090, 8340, 8479, 9708, 10980, 12135, 12510, 14562, 16180, 16958, 24270, 25020, 25437, 29124, 33916, 36405, 42395, 48540, 49349, 50874, 72810, 76311, 84790, 98698, 101748, 112451, 127185, 145620, 148047, 152622, 169580, 197396, 224902, 246745, 254370, 296094, 305244, 337353, 381555, 444141, 449804, 493490, 508740, 562255, 592188, 674706, 740235, 763110, 888282, 986980, 1012059, 1124510, 1349412, 1480470, 1526220, 1686765, 1776564, 2024118, 2220705, 2249020, 2960940, 3373530, 4048236, 4441410, 5060295, 6747060, 6859511, 8882820, 10120590, 13719022, 20241180, 20578533, 27438044, 34297555, 41157066, 61735599, 68595110, 82314132, 102892665, 123471198, 137190220, 205785330, 246942396, 308677995, 411570660, 617355990, 1234711980]

約数ペア:

[(1, 1234711980), (2, 617355990), (3, 411570660), (4, 308677995), (5, 246942396), (6, 205785330), (9, 137190220), (10, 123471198), (12, 102892665), (15, 82314132), (18, 68595110), (20, 61735599), (30, 41157066), (36, 34297555), (45, 27438044), (60, 20578533), (61, 20241180), (90, 13719022), (122, 10120590), (139, 8882820), (180, 6859511), (183, 6747060), (244, 5060295), (278, 4441410), (305, 4048236), (366, 3373530), (417, 2960940), (549, 2249020), (556, 2220705), (610, 2024118), (695, 1776564), (732, 1686765), (809, 1526220), (834, 1480470), (915, 1349412), (1098, 1124510), (1220, 1012059), (1251, 986980), (1390, 888282), (1618, 763110), (1668, 740235), (1830, 674706), (2085, 592188), (2196, 562255), (2427, 508740), (2502, 493490), (2745, 449804), (2780, 444141), (3236, 381555), (3660, 337353), (4045, 305244), (4170, 296094), (4854, 254370), (5004, 246745), (5490, 224902), (6255, 197396), (7281, 169580), (8090, 152622), (8340, 148047), (8479, 145620), (9708, 127185), (10980, 112451), (12135, 101748), (12510, 98698), (14562, 84790), (16180, 76311), (16958, 72810), (24270, 50874), (25020, 49349), (25437, 48540), (29124, 42395), (33916, 36405)]