20448889200

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{63823}}^1$

素因数の和:63936

約数の個数: 180

約数和(自身を含む): 71761790880

約数和(自身を除く): 51312901680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 89, 90, 100, 120, 144, 150, 178, 180, 200, 225, 240, 267, 300, 356, 360, 400, 445, 450, 534, 600, 712, 720, 801, 890, 900, 1068, 1200, 1335, 1424, 1602, 1780, 1800, 2136, 2225, 2670, 3204, 3560, 3600, 4005, 4272, 4450, 5340, 6408, 6675, 7120, 8010, 8900, 10680, 12816, 13350, 16020, 17800, 20025, 21360, 26700, 32040, 35600, 40050, 53400, 63823, 64080, 80100, 106800, 127646, 160200, 191469, 255292, 319115, 320400, 382938, 510584, 574407, 638230, 765876, 957345, 1021168, 1148814, 1276460, 1531752, 1595575, 1914690, 2297628, 2552920, 2872035, 3063504, 3191150, 3829380, 4595256, 4786725, 5105840, 5680247, 5744070, 6382300, 7658760, 9190512, 9573450, 11360494, 11488140, 12764600, 14360175, 15317520, 17040741, 19146900, 22720988, 22976280, 25529200, 28401235, 28720350, 34081482, 38293800, 45441976, 45952560, 51122223, 56802470, 57440700, 68162964, 76587600, 85203705, 90883952, 102244446, 113604940, 114881400, 136325928, 142006175, 170407410, 204488892, 227209880, 229762800, 255611115, 272651856, 284012350, 340814820, 408977784, 426018525, 454419760, 511222230, 568024700, 681629640, 817955568, 852037050, 1022444460, 1136049400, 1278055575, 1363259280, 1704074100, 2044888920, 2272098800, 2556111150, 3408148200, 4089777840, 5112222300, 6816296400, 10224444600, 20448889200]

約数ペア:

[(1, 20448889200), (2, 10224444600), (3, 6816296400), (4, 5112222300), (5, 4089777840), (6, 3408148200), (8, 2556111150), (9, 2272098800), (10, 2044888920), (12, 1704074100), (15, 1363259280), (16, 1278055575), (18, 1136049400), (20, 1022444460), (24, 852037050), (25, 817955568), (30, 681629640), (36, 568024700), (40, 511222230), (45, 454419760), (48, 426018525), (50, 408977784), (60, 340814820), (72, 284012350), (75, 272651856), (80, 255611115), (89, 229762800), (90, 227209880), (100, 204488892), (120, 170407410), (144, 142006175), (150, 136325928), (178, 114881400), (180, 113604940), (200, 102244446), (225, 90883952), (240, 85203705), (267, 76587600), (300, 68162964), (356, 57440700), (360, 56802470), (400, 51122223), (445, 45952560), (450, 45441976), (534, 38293800), (600, 34081482), (712, 28720350), (720, 28401235), (801, 25529200), (890, 22976280), (900, 22720988), (1068, 19146900), (1200, 17040741), (1335, 15317520), (1424, 14360175), (1602, 12764600), (1780, 11488140), (1800, 11360494), (2136, 9573450), (2225, 9190512), (2670, 7658760), (3204, 6382300), (3560, 5744070), (3600, 5680247), (4005, 5105840), (4272, 4786725), (4450, 4595256), (5340, 3829380), (6408, 3191150), (6675, 3063504), (7120, 2872035), (8010, 2552920), (8900, 2297628), (10680, 1914690), (12816, 1595575), (13350, 1531752), (16020, 1276460), (17800, 1148814), (20025, 1021168), (21360, 957345), (26700, 765876), (32040, 638230), (35600, 574407), (40050, 510584), (53400, 382938), (63823, 320400), (64080, 319115), (80100, 255292), (106800, 191469), (127646, 160200)]