177720720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1013}}^1$

素因数の和:1089

約数の個数: 160

約数和(自身を含む): 597497472

約数和(自身を除く): 419776752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 43, 48, 51, 60, 68, 80, 85, 86, 102, 120, 129, 136, 170, 172, 204, 215, 240, 255, 258, 272, 340, 344, 408, 430, 510, 516, 645, 680, 688, 731, 816, 860, 1013, 1020, 1032, 1290, 1360, 1462, 1720, 2026, 2040, 2064, 2193, 2580, 2924, 3039, 3440, 3655, 4052, 4080, 4386, 5065, 5160, 5848, 6078, 7310, 8104, 8772, 10130, 10320, 10965, 11696, 12156, 14620, 15195, 16208, 17221, 17544, 20260, 21930, 24312, 29240, 30390, 34442, 35088, 40520, 43559, 43860, 48624, 51663, 58480, 60780, 68884, 81040, 86105, 87118, 87720, 103326, 121560, 130677, 137768, 172210, 174236, 175440, 206652, 217795, 243120, 258315, 261354, 275536, 344420, 348472, 413304, 435590, 516630, 522708, 653385, 688840, 696944, 740503, 826608, 871180, 1033260, 1045416, 1306770, 1377680, 1481006, 1742360, 2066520, 2090832, 2221509, 2613540, 2962012, 3484720, 3702515, 4133040, 4443018, 5227080, 5924024, 7405030, 8886036, 10454160, 11107545, 11848048, 14810060, 17772072, 22215090, 29620120, 35544144, 44430180, 59240240, 88860360, 177720720]

約数ペア:

[(1, 177720720), (2, 88860360), (3, 59240240), (4, 44430180), (5, 35544144), (6, 29620120), (8, 22215090), (10, 17772072), (12, 14810060), (15, 11848048), (16, 11107545), (17, 10454160), (20, 8886036), (24, 7405030), (30, 5924024), (34, 5227080), (40, 4443018), (43, 4133040), (48, 3702515), (51, 3484720), (60, 2962012), (68, 2613540), (80, 2221509), (85, 2090832), (86, 2066520), (102, 1742360), (120, 1481006), (129, 1377680), (136, 1306770), (170, 1045416), (172, 1033260), (204, 871180), (215, 826608), (240, 740503), (255, 696944), (258, 688840), (272, 653385), (340, 522708), (344, 516630), (408, 435590), (430, 413304), (510, 348472), (516, 344420), (645, 275536), (680, 261354), (688, 258315), (731, 243120), (816, 217795), (860, 206652), (1013, 175440), (1020, 174236), (1032, 172210), (1290, 137768), (1360, 130677), (1462, 121560), (1720, 103326), (2026, 87720), (2040, 87118), (2064, 86105), (2193, 81040), (2580, 68884), (2924, 60780), (3039, 58480), (3440, 51663), (3655, 48624), (4052, 43860), (4080, 43559), (4386, 40520), (5065, 35088), (5160, 34442), (5848, 30390), (6078, 29240), (7310, 24312), (8104, 21930), (8772, 20260), (10130, 17544), (10320, 17221), (10965, 16208), (11696, 15195), (12156, 14620)]