420824160

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1709}}^1$

素因数の和:1755

約数の個数: 240

約数和(自身を含む): 1564239600

約数和(自身を除く): 1143415440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 162, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 324, 342, 360, 380, 405, 432, 456, 480, 513, 540, 570, 608, 648, 684, 720, 760, 810, 855, 864, 912, 1026, 1080, 1140, 1296, 1368, 1440, 1520, 1539, 1620, 1709, 1710, 1824, 2052, 2160, 2280, 2565, 2592, 2736, 3040, 3078, 3240, 3418, 3420, 4104, 4320, 4560, 5127, 5130, 5472, 6156, 6480, 6836, 6840, 7695, 8208, 8545, 9120, 10254, 10260, 12312, 12960, 13672, 13680, 15381, 15390, 16416, 17090, 20508, 20520, 24624, 25635, 27344, 27360, 30762, 30780, 32471, 34180, 41016, 41040, 46143, 49248, 51270, 54688, 61524, 61560, 64942, 68360, 76905, 82032, 82080, 92286, 97413, 102540, 123048, 123120, 129884, 136720, 138429, 153810, 162355, 164064, 184572, 194826, 205080, 230715, 246096, 246240, 259768, 273440, 276858, 292239, 307620, 324710, 369144, 389652, 410160, 461430, 487065, 492192, 519536, 553716, 584478, 615240, 649420, 692145, 738288, 779304, 820320, 876717, 922860, 974130, 1039072, 1107432, 1168956, 1230480, 1298840, 1384290, 1461195, 1476576, 1558608, 1753434, 1845720, 1948260, 2214864, 2337912, 2460960, 2597680, 2630151, 2768580, 2922390, 3117216, 3506868, 3691440, 3896520, 4383585, 4429728, 4675824, 5195360, 5260302, 5537160, 5844780, 7013736, 7382880, 7793040, 8767170, 9351648, 10520604, 11074320, 11689560, 13150755, 14027472, 15586080, 17534340, 21041208, 22148640, 23379120, 26301510, 28054944, 35068680, 42082416, 46758240, 52603020, 70137360, 84164832, 105206040, 140274720, 210412080, 420824160]

約数ペア:

[(1, 420824160), (2, 210412080), (3, 140274720), (4, 105206040), (5, 84164832), (6, 70137360), (8, 52603020), (9, 46758240), (10, 42082416), (12, 35068680), (15, 28054944), (16, 26301510), (18, 23379120), (19, 22148640), (20, 21041208), (24, 17534340), (27, 15586080), (30, 14027472), (32, 13150755), (36, 11689560), (38, 11074320), (40, 10520604), (45, 9351648), (48, 8767170), (54, 7793040), (57, 7382880), (60, 7013736), (72, 5844780), (76, 5537160), (80, 5260302), (81, 5195360), (90, 4675824), (95, 4429728), (96, 4383585), (108, 3896520), (114, 3691440), (120, 3506868), (135, 3117216), (144, 2922390), (152, 2768580), (160, 2630151), (162, 2597680), (171, 2460960), (180, 2337912), (190, 2214864), (216, 1948260), (228, 1845720), (240, 1753434), (270, 1558608), (285, 1476576), (288, 1461195), (304, 1384290), (324, 1298840), (342, 1230480), (360, 1168956), (380, 1107432), (405, 1039072), (432, 974130), (456, 922860), (480, 876717), (513, 820320), (540, 779304), (570, 738288), (608, 692145), (648, 649420), (684, 615240), (720, 584478), (760, 553716), (810, 519536), (855, 492192), (864, 487065), (912, 461430), (1026, 410160), (1080, 389652), (1140, 369144), (1296, 324710), (1368, 307620), (1440, 292239), (1520, 276858), (1539, 273440), (1620, 259768), (1709, 246240), (1710, 246096), (1824, 230715), (2052, 205080), (2160, 194826), (2280, 184572), (2565, 164064), (2592, 162355), (2736, 153810), (3040, 138429), (3078, 136720), (3240, 129884), (3418, 123120), (3420, 123048), (4104, 102540), (4320, 97413), (4560, 92286), (5127, 82080), (5130, 82032), (5472, 76905), (6156, 68360), (6480, 64942), (6836, 61560), (6840, 61524), (7695, 54688), (8208, 51270), (8545, 49248), (9120, 46143), (10254, 41040), (10260, 41016), (12312, 34180), (12960, 32471), (13672, 30780), (13680, 30762), (15381, 27360), (15390, 27344), (16416, 25635), (17090, 24624), (20508, 20520)]