1238922720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1381}}^1$

素因数の和:1498

約数の個数: 288

約数和(自身を含む): 4889626560

約数和(自身を除く): 3650703840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 89, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 178, 180, 210, 224, 240, 252, 267, 280, 288, 315, 336, 356, 360, 420, 445, 480, 504, 534, 560, 623, 630, 672, 712, 720, 801, 840, 890, 1008, 1068, 1120, 1246, 1260, 1335, 1381, 1424, 1440, 1602, 1680, 1780, 1869, 2016, 2136, 2492, 2520, 2670, 2762, 2848, 3115, 3204, 3360, 3560, 3738, 4005, 4143, 4272, 4984, 5040, 5340, 5524, 5607, 6230, 6408, 6905, 7120, 7476, 8010, 8286, 8544, 9345, 9667, 9968, 10080, 10680, 11048, 11214, 12429, 12460, 12816, 13810, 14240, 14952, 16020, 16572, 18690, 19334, 19936, 20715, 21360, 22096, 22428, 24858, 24920, 25632, 27620, 28035, 29001, 29904, 32040, 33144, 37380, 38668, 41430, 42720, 44192, 44856, 48335, 49716, 49840, 55240, 56070, 58002, 59808, 62145, 64080, 66288, 74760, 77336, 82860, 87003, 89712, 96670, 99432, 99680, 110480, 112140, 116004, 122909, 124290, 128160, 132576, 145005, 149520, 154672, 165720, 174006, 179424, 193340, 198864, 220960, 224280, 232008, 245818, 248580, 290010, 299040, 309344, 331440, 348012, 368727, 386680, 397728, 435015, 448560, 464016, 491636, 497160, 580020, 614545, 662880, 696024, 737454, 773360, 860363, 870030, 897120, 928032, 983272, 994320, 1106181, 1160040, 1229090, 1392048, 1474908, 1546720, 1720726, 1740060, 1843635, 1966544, 1988640, 2212362, 2320080, 2458180, 2581089, 2784096, 2949816, 3441452, 3480120, 3687270, 3933088, 4301815, 4424724, 4640160, 4916360, 5162178, 5530905, 5899632, 6882904, 6960240, 7374540, 7743267, 8603630, 8849448, 9832720, 10324356, 11061810, 11799264, 12905445, 13765808, 13920480, 14749080, 15486534, 17207260, 17698896, 19665440, 20648712, 22123620, 25810890, 27531616, 29498160, 30973068, 34414520, 35397792, 38716335, 41297424, 44247240, 51621780, 58996320, 61946136, 68829040, 77432670, 82594848, 88494480, 103243560, 123892272, 137658080, 154865340, 176988960, 206487120, 247784544, 309730680, 412974240, 619461360, 1238922720]

約数ペア:

[(1, 1238922720), (2, 619461360), (3, 412974240), (4, 309730680), (5, 247784544), (6, 206487120), (7, 176988960), (8, 154865340), (9, 137658080), (10, 123892272), (12, 103243560), (14, 88494480), (15, 82594848), (16, 77432670), (18, 68829040), (20, 61946136), (21, 58996320), (24, 51621780), (28, 44247240), (30, 41297424), (32, 38716335), (35, 35397792), (36, 34414520), (40, 30973068), (42, 29498160), (45, 27531616), (48, 25810890), (56, 22123620), (60, 20648712), (63, 19665440), (70, 17698896), (72, 17207260), (80, 15486534), (84, 14749080), (89, 13920480), (90, 13765808), (96, 12905445), (105, 11799264), (112, 11061810), (120, 10324356), (126, 9832720), (140, 8849448), (144, 8603630), (160, 7743267), (168, 7374540), (178, 6960240), (180, 6882904), (210, 5899632), (224, 5530905), (240, 5162178), (252, 4916360), (267, 4640160), (280, 4424724), (288, 4301815), (315, 3933088), (336, 3687270), (356, 3480120), (360, 3441452), (420, 2949816), (445, 2784096), (480, 2581089), (504, 2458180), (534, 2320080), (560, 2212362), (623, 1988640), (630, 1966544), (672, 1843635), (712, 1740060), (720, 1720726), (801, 1546720), (840, 1474908), (890, 1392048), (1008, 1229090), (1068, 1160040), (1120, 1106181), (1246, 994320), (1260, 983272), (1335, 928032), (1381, 897120), (1424, 870030), (1440, 860363), (1602, 773360), (1680, 737454), (1780, 696024), (1869, 662880), (2016, 614545), (2136, 580020), (2492, 497160), (2520, 491636), (2670, 464016), (2762, 448560), (2848, 435015), (3115, 397728), (3204, 386680), (3360, 368727), (3560, 348012), (3738, 331440), (4005, 309344), (4143, 299040), (4272, 290010), (4984, 248580), (5040, 245818), (5340, 232008), (5524, 224280), (5607, 220960), (6230, 198864), (6408, 193340), (6905, 179424), (7120, 174006), (7476, 165720), (8010, 154672), (8286, 149520), (8544, 145005), (9345, 132576), (9667, 128160), (9968, 124290), (10080, 122909), (10680, 116004), (11048, 112140), (11214, 110480), (12429, 99680), (12460, 99432), (12816, 96670), (13810, 89712), (14240, 87003), (14952, 82860), (16020, 77336), (16572, 74760), (18690, 66288), (19334, 64080), (19936, 62145), (20715, 59808), (21360, 58002), (22096, 56070), (22428, 55240), (24858, 49840), (24920, 49716), (25632, 48335), (27620, 44856), (28035, 44192), (29001, 42720), (29904, 41430), (32040, 38668), (33144, 37380)]