28140372

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 84756672

約数和(自身を除く): 56616300

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 34, 36, 39, 51, 52, 54, 68, 78, 81, 102, 108, 117, 131, 153, 156, 162, 204, 221, 234, 243, 262, 306, 324, 351, 393, 442, 459, 468, 486, 524, 612, 663, 702, 786, 884, 918, 972, 1053, 1179, 1326, 1377, 1404, 1572, 1703, 1836, 1989, 2106, 2227, 2358, 2652, 2754, 3159, 3406, 3537, 3978, 4131, 4212, 4454, 4716, 5109, 5508, 5967, 6318, 6681, 6812, 7074, 7956, 8262, 8908, 10218, 10611, 11934, 12636, 13362, 14148, 15327, 16524, 17901, 20043, 20436, 21222, 23868, 26724, 28951, 30654, 31833, 35802, 40086, 42444, 45981, 53703, 57902, 60129, 61308, 63666, 71604, 80172, 86853, 91962, 107406, 115804, 120258, 127332, 137943, 173706, 180387, 183924, 214812, 240516, 260559, 275886, 347412, 360774, 413829, 521118, 541161, 551772, 721548, 781677, 827658, 1042236, 1082322, 1563354, 1655316, 2164644, 2345031, 3126708, 4690062, 7035093, 9380124, 14070186, 28140372]

約数ペア:

[(1, 28140372), (2, 14070186), (3, 9380124), (4, 7035093), (6, 4690062), (9, 3126708), (12, 2345031), (13, 2164644), (17, 1655316), (18, 1563354), (26, 1082322), (27, 1042236), (34, 827658), (36, 781677), (39, 721548), (51, 551772), (52, 541161), (54, 521118), (68, 413829), (78, 360774), (81, 347412), (102, 275886), (108, 260559), (117, 240516), (131, 214812), (153, 183924), (156, 180387), (162, 173706), (204, 137943), (221, 127332), (234, 120258), (243, 115804), (262, 107406), (306, 91962), (324, 86853), (351, 80172), (393, 71604), (442, 63666), (459, 61308), (468, 60129), (486, 57902), (524, 53703), (612, 45981), (663, 42444), (702, 40086), (786, 35802), (884, 31833), (918, 30654), (972, 28951), (1053, 26724), (1179, 23868), (1326, 21222), (1377, 20436), (1404, 20043), (1572, 17901), (1703, 16524), (1836, 15327), (1989, 14148), (2106, 13362), (2227, 12636), (2358, 11934), (2652, 10611), (2754, 10218), (3159, 8908), (3406, 8262), (3537, 7956), (3978, 7074), (4131, 6812), (4212, 6681), (4454, 6318), (4716, 5967), (5109, 5508)]