20197675620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{1627}}^1$

素因数の和:1824

約数の個数: 240

約数和(自身を含む): 64864208640

約数和(自身を除く): 44666533020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 81, 90, 97, 108, 135, 158, 162, 180, 194, 237, 270, 291, 316, 324, 388, 395, 405, 474, 485, 540, 582, 711, 790, 810, 873, 948, 970, 1164, 1185, 1422, 1455, 1580, 1620, 1627, 1746, 1940, 2133, 2370, 2619, 2844, 2910, 3254, 3492, 3555, 4266, 4365, 4740, 4881, 5238, 5820, 6399, 6508, 7110, 7663, 7857, 8135, 8532, 8730, 9762, 10476, 10665, 12798, 13095, 14220, 14643, 15326, 15714, 16270, 17460, 19524, 21330, 22989, 24405, 25596, 26190, 29286, 30652, 31428, 31995, 32540, 38315, 39285, 42660, 43929, 45978, 48810, 52380, 58572, 63990, 68967, 73215, 76630, 78570, 87858, 91956, 97620, 114945, 127980, 128533, 131787, 137934, 146430, 153260, 157140, 157819, 175716, 206901, 219645, 229890, 257066, 263574, 275868, 292860, 315638, 344835, 385599, 413802, 439290, 459780, 473457, 514132, 527148, 620703, 631276, 642665, 658935, 689670, 771198, 789095, 827604, 878580, 946914, 1034505, 1156797, 1241406, 1285330, 1317870, 1379340, 1420371, 1542396, 1578190, 1893828, 1927995, 2069010, 2313594, 2367285, 2482812, 2570660, 2635740, 2840742, 3103515, 3156380, 3470391, 3855990, 4138020, 4261113, 4627188, 4734570, 5681484, 5783985, 6207030, 6940782, 7101855, 7711980, 8522226, 9469140, 10411173, 11567970, 12414060, 12467701, 12783339, 13881564, 14203710, 17044452, 17351955, 20822346, 21305565, 23135940, 24935402, 25566678, 28407420, 34703910, 37403103, 41644692, 42611130, 49870804, 51133356, 52055865, 62338505, 63916695, 69407820, 74806206, 85222260, 104111730, 112209309, 124677010, 127833390, 149612412, 187015515, 208223460, 224418618, 249354020, 255666780, 336627927, 374031030, 448837236, 561046545, 673255854, 748062060, 1009883781, 1122093090, 1346511708, 1683139635, 2019767562, 2244186180, 3366279270, 4039535124, 5049418905, 6732558540, 10098837810, 20197675620]

約数ペア:

[(1, 20197675620), (2, 10098837810), (3, 6732558540), (4, 5049418905), (5, 4039535124), (6, 3366279270), (9, 2244186180), (10, 2019767562), (12, 1683139635), (15, 1346511708), (18, 1122093090), (20, 1009883781), (27, 748062060), (30, 673255854), (36, 561046545), (45, 448837236), (54, 374031030), (60, 336627927), (79, 255666780), (81, 249354020), (90, 224418618), (97, 208223460), (108, 187015515), (135, 149612412), (158, 127833390), (162, 124677010), (180, 112209309), (194, 104111730), (237, 85222260), (270, 74806206), (291, 69407820), (316, 63916695), (324, 62338505), (388, 52055865), (395, 51133356), (405, 49870804), (474, 42611130), (485, 41644692), (540, 37403103), (582, 34703910), (711, 28407420), (790, 25566678), (810, 24935402), (873, 23135940), (948, 21305565), (970, 20822346), (1164, 17351955), (1185, 17044452), (1422, 14203710), (1455, 13881564), (1580, 12783339), (1620, 12467701), (1627, 12414060), (1746, 11567970), (1940, 10411173), (2133, 9469140), (2370, 8522226), (2619, 7711980), (2844, 7101855), (2910, 6940782), (3254, 6207030), (3492, 5783985), (3555, 5681484), (4266, 4734570), (4365, 4627188), (4740, 4261113), (4881, 4138020), (5238, 3855990), (5820, 3470391), (6399, 3156380), (6508, 3103515), (7110, 2840742), (7663, 2635740), (7857, 2570660), (8135, 2482812), (8532, 2367285), (8730, 2313594), (9762, 2069010), (10476, 1927995), (10665, 1893828), (12798, 1578190), (13095, 1542396), (14220, 1420371), (14643, 1379340), (15326, 1317870), (15714, 1285330), (16270, 1241406), (17460, 1156797), (19524, 1034505), (21330, 946914), (22989, 878580), (24405, 827604), (25596, 789095), (26190, 771198), (29286, 689670), (30652, 658935), (31428, 642665), (31995, 631276), (32540, 620703), (38315, 527148), (39285, 514132), (42660, 473457), (43929, 459780), (45978, 439290), (48810, 413802), (52380, 385599), (58572, 344835), (63990, 315638), (68967, 292860), (73215, 275868), (76630, 263574), (78570, 257066), (87858, 229890), (91956, 219645), (97620, 206901), (114945, 175716), (127980, 157819), (128533, 157140), (131787, 153260), (137934, 146430)]