18723120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:399

約数の個数: 160

約数和(自身を含む): 66370752

約数和(自身を除く): 47647632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 34, 39, 40, 48, 51, 52, 60, 65, 68, 78, 80, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 208, 221, 240, 255, 260, 272, 312, 340, 353, 390, 408, 442, 510, 520, 624, 663, 680, 706, 780, 816, 884, 1020, 1040, 1059, 1105, 1326, 1360, 1412, 1560, 1765, 1768, 2040, 2118, 2210, 2652, 2824, 3120, 3315, 3530, 3536, 4080, 4236, 4420, 4589, 5295, 5304, 5648, 6001, 6630, 7060, 8472, 8840, 9178, 10590, 10608, 12002, 13260, 13767, 14120, 16944, 17680, 18003, 18356, 21180, 22945, 24004, 26520, 27534, 28240, 30005, 36006, 36712, 42360, 45890, 48008, 53040, 55068, 60010, 68835, 72012, 73424, 78013, 84720, 90015, 91780, 96016, 110136, 120020, 137670, 144024, 156026, 180030, 183560, 220272, 234039, 240040, 275340, 288048, 312052, 360060, 367120, 390065, 468078, 480080, 550680, 624104, 720120, 780130, 936156, 1101360, 1170195, 1248208, 1440240, 1560260, 1872312, 2340390, 3120520, 3744624, 4680780, 6241040, 9361560, 18723120]

約数ペア:

[(1, 18723120), (2, 9361560), (3, 6241040), (4, 4680780), (5, 3744624), (6, 3120520), (8, 2340390), (10, 1872312), (12, 1560260), (13, 1440240), (15, 1248208), (16, 1170195), (17, 1101360), (20, 936156), (24, 780130), (26, 720120), (30, 624104), (34, 550680), (39, 480080), (40, 468078), (48, 390065), (51, 367120), (52, 360060), (60, 312052), (65, 288048), (68, 275340), (78, 240040), (80, 234039), (85, 220272), (102, 183560), (104, 180030), (120, 156026), (130, 144024), (136, 137670), (156, 120020), (170, 110136), (195, 96016), (204, 91780), (208, 90015), (221, 84720), (240, 78013), (255, 73424), (260, 72012), (272, 68835), (312, 60010), (340, 55068), (353, 53040), (390, 48008), (408, 45890), (442, 42360), (510, 36712), (520, 36006), (624, 30005), (663, 28240), (680, 27534), (706, 26520), (780, 24004), (816, 22945), (884, 21180), (1020, 18356), (1040, 18003), (1059, 17680), (1105, 16944), (1326, 14120), (1360, 13767), (1412, 13260), (1560, 12002), (1765, 10608), (1768, 10590), (2040, 9178), (2118, 8840), (2210, 8472), (2652, 7060), (2824, 6630), (3120, 6001), (3315, 5648), (3530, 5304), (3536, 5295), (4080, 4589), (4236, 4420)]