28931280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1013}}^1$

素因数の和:1053

約数の個数: 160

約数和(自身を含む): 108635904

約数和(自身を除く): 79704624

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 510, 560, 595, 680, 714, 816, 840, 952, 1013, 1020, 1190, 1360, 1428, 1680, 1785, 1904, 2026, 2040, 2380, 2856, 3039, 3570, 4052, 4080, 4760, 5065, 5712, 6078, 7091, 7140, 8104, 9520, 10130, 12156, 14182, 14280, 15195, 16208, 17221, 20260, 21273, 24312, 28364, 28560, 30390, 34442, 35455, 40520, 42546, 48624, 51663, 56728, 60780, 68884, 70910, 81040, 85092, 86105, 103326, 106365, 113456, 120547, 121560, 137768, 141820, 170184, 172210, 206652, 212730, 241094, 243120, 258315, 275536, 283640, 340368, 344420, 361641, 413304, 425460, 482188, 516630, 567280, 602735, 688840, 723282, 826608, 850920, 964376, 1033260, 1205470, 1377680, 1446564, 1701840, 1808205, 1928752, 2066520, 2410940, 2893128, 3616410, 4133040, 4821880, 5786256, 7232820, 9643760, 14465640, 28931280]

約数ペア:

[(1, 28931280), (2, 14465640), (3, 9643760), (4, 7232820), (5, 5786256), (6, 4821880), (7, 4133040), (8, 3616410), (10, 2893128), (12, 2410940), (14, 2066520), (15, 1928752), (16, 1808205), (17, 1701840), (20, 1446564), (21, 1377680), (24, 1205470), (28, 1033260), (30, 964376), (34, 850920), (35, 826608), (40, 723282), (42, 688840), (48, 602735), (51, 567280), (56, 516630), (60, 482188), (68, 425460), (70, 413304), (80, 361641), (84, 344420), (85, 340368), (102, 283640), (105, 275536), (112, 258315), (119, 243120), (120, 241094), (136, 212730), (140, 206652), (168, 172210), (170, 170184), (204, 141820), (210, 137768), (238, 121560), (240, 120547), (255, 113456), (272, 106365), (280, 103326), (336, 86105), (340, 85092), (357, 81040), (408, 70910), (420, 68884), (476, 60780), (510, 56728), (560, 51663), (595, 48624), (680, 42546), (714, 40520), (816, 35455), (840, 34442), (952, 30390), (1013, 28560), (1020, 28364), (1190, 24312), (1360, 21273), (1428, 20260), (1680, 17221), (1785, 16208), (1904, 15195), (2026, 14280), (2040, 14182), (2380, 12156), (2856, 10130), (3039, 9520), (3570, 8104), (4052, 7140), (4080, 7091), (4760, 6078), (5065, 5712)]