20160144720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{1597}}^1$

素因数の和:1902

約数の個数: 240

約数和(自身を含む): 68855838480

約数和(自身を除く): 48695693760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 89, 90, 120, 144, 178, 180, 197, 240, 267, 356, 360, 394, 445, 534, 591, 712, 720, 788, 801, 890, 985, 1068, 1182, 1335, 1424, 1576, 1597, 1602, 1773, 1780, 1970, 2136, 2364, 2670, 2955, 3152, 3194, 3204, 3546, 3560, 3940, 4005, 4272, 4728, 4791, 5340, 5910, 6388, 6408, 7092, 7120, 7880, 7985, 8010, 8865, 9456, 9582, 10680, 11820, 12776, 12816, 14184, 14373, 15760, 15970, 16020, 17533, 17730, 19164, 21360, 23640, 23955, 25552, 28368, 28746, 31940, 32040, 35066, 35460, 38328, 47280, 47910, 52599, 57492, 63880, 64080, 70132, 70920, 71865, 76656, 87665, 95820, 105198, 114984, 127760, 140264, 141840, 142133, 143730, 157797, 175330, 191640, 210396, 229968, 262995, 280528, 284266, 287460, 314609, 315594, 350660, 383280, 420792, 426399, 525990, 568532, 574920, 629218, 631188, 701320, 710665, 788985, 841584, 852798, 943827, 1051980, 1137064, 1149840, 1258436, 1262376, 1279197, 1402640, 1421330, 1573045, 1577970, 1705596, 1887654, 2103960, 2131995, 2274128, 2516872, 2524752, 2558394, 2831481, 2842660, 3146090, 3155940, 3411192, 3775308, 4207920, 4263990, 4719135, 5033744, 5116788, 5662962, 5685320, 6292180, 6311880, 6395985, 6822384, 7550616, 8527980, 9438270, 10233576, 11325924, 11370640, 12584360, 12623760, 12791970, 14157405, 15101232, 17055960, 18876540, 20467152, 22651848, 25168720, 25583940, 28000201, 28314810, 34111920, 37753080, 45303696, 51167880, 56000402, 56629620, 75506160, 84000603, 102335760, 112000804, 113259240, 140001005, 168001206, 224001608, 226518480, 252001809, 280002010, 336002412, 420003015, 448003216, 504003618, 560004020, 672004824, 840006030, 1008007236, 1120008040, 1260009045, 1344009648, 1680012060, 2016014472, 2240016080, 2520018090, 3360024120, 4032028944, 5040036180, 6720048240, 10080072360, 20160144720]

約数ペア:

[(1, 20160144720), (2, 10080072360), (3, 6720048240), (4, 5040036180), (5, 4032028944), (6, 3360024120), (8, 2520018090), (9, 2240016080), (10, 2016014472), (12, 1680012060), (15, 1344009648), (16, 1260009045), (18, 1120008040), (20, 1008007236), (24, 840006030), (30, 672004824), (36, 560004020), (40, 504003618), (45, 448003216), (48, 420003015), (60, 336002412), (72, 280002010), (80, 252001809), (89, 226518480), (90, 224001608), (120, 168001206), (144, 140001005), (178, 113259240), (180, 112000804), (197, 102335760), (240, 84000603), (267, 75506160), (356, 56629620), (360, 56000402), (394, 51167880), (445, 45303696), (534, 37753080), (591, 34111920), (712, 28314810), (720, 28000201), (788, 25583940), (801, 25168720), (890, 22651848), (985, 20467152), (1068, 18876540), (1182, 17055960), (1335, 15101232), (1424, 14157405), (1576, 12791970), (1597, 12623760), (1602, 12584360), (1773, 11370640), (1780, 11325924), (1970, 10233576), (2136, 9438270), (2364, 8527980), (2670, 7550616), (2955, 6822384), (3152, 6395985), (3194, 6311880), (3204, 6292180), (3546, 5685320), (3560, 5662962), (3940, 5116788), (4005, 5033744), (4272, 4719135), (4728, 4263990), (4791, 4207920), (5340, 3775308), (5910, 3411192), (6388, 3155940), (6408, 3146090), (7092, 2842660), (7120, 2831481), (7880, 2558394), (7985, 2524752), (8010, 2516872), (8865, 2274128), (9456, 2131995), (9582, 2103960), (10680, 1887654), (11820, 1705596), (12776, 1577970), (12816, 1573045), (14184, 1421330), (14373, 1402640), (15760, 1279197), (15970, 1262376), (16020, 1258436), (17533, 1149840), (17730, 1137064), (19164, 1051980), (21360, 943827), (23640, 852798), (23955, 841584), (25552, 788985), (28368, 710665), (28746, 701320), (31940, 631188), (32040, 629218), (35066, 574920), (35460, 568532), (38328, 525990), (47280, 426399), (47910, 420792), (52599, 383280), (57492, 350660), (63880, 315594), (64080, 314609), (70132, 287460), (70920, 284266), (71865, 280528), (76656, 262995), (87665, 229968), (95820, 210396), (105198, 191640), (114984, 175330), (127760, 157797), (140264, 143730), (141840, 142133)]