28440864

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 144

約数和(自身を含む): 88510968

約数和(自身を除く): 60070104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 37, 48, 51, 68, 72, 74, 96, 102, 111, 136, 144, 148, 153, 157, 204, 222, 272, 288, 296, 306, 314, 333, 408, 444, 471, 544, 592, 612, 628, 629, 666, 816, 888, 942, 1184, 1224, 1256, 1258, 1332, 1413, 1632, 1776, 1884, 1887, 2448, 2512, 2516, 2664, 2669, 2826, 3552, 3768, 3774, 4896, 5024, 5032, 5328, 5338, 5652, 5661, 5809, 7536, 7548, 8007, 10064, 10656, 10676, 11304, 11322, 11618, 15072, 15096, 16014, 17427, 20128, 21352, 22608, 22644, 23236, 24021, 30192, 32028, 34854, 42704, 45216, 45288, 46472, 48042, 52281, 60384, 64056, 69708, 85408, 90576, 92944, 96084, 98753, 104562, 128112, 139416, 181152, 185888, 192168, 197506, 209124, 256224, 278832, 296259, 384336, 395012, 418248, 557664, 592518, 768672, 790024, 836496, 888777, 1185036, 1580048, 1672992, 1777554, 2370072, 3160096, 3555108, 4740144, 7110216, 9480288, 14220432, 28440864]

約数ペア:

[(1, 28440864), (2, 14220432), (3, 9480288), (4, 7110216), (6, 4740144), (8, 3555108), (9, 3160096), (12, 2370072), (16, 1777554), (17, 1672992), (18, 1580048), (24, 1185036), (32, 888777), (34, 836496), (36, 790024), (37, 768672), (48, 592518), (51, 557664), (68, 418248), (72, 395012), (74, 384336), (96, 296259), (102, 278832), (111, 256224), (136, 209124), (144, 197506), (148, 192168), (153, 185888), (157, 181152), (204, 139416), (222, 128112), (272, 104562), (288, 98753), (296, 96084), (306, 92944), (314, 90576), (333, 85408), (408, 69708), (444, 64056), (471, 60384), (544, 52281), (592, 48042), (612, 46472), (628, 45288), (629, 45216), (666, 42704), (816, 34854), (888, 32028), (942, 30192), (1184, 24021), (1224, 23236), (1256, 22644), (1258, 22608), (1332, 21352), (1413, 20128), (1632, 17427), (1776, 16014), (1884, 15096), (1887, 15072), (2448, 11618), (2512, 11322), (2516, 11304), (2664, 10676), (2669, 10656), (2826, 10064), (3552, 8007), (3768, 7548), (3774, 7536), (4896, 5809), (5024, 5661), (5032, 5652), (5328, 5338)]