21756632640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{2549}}^1$

素因数の和:3109

約数の個数: 224

約数和(自身を含む): 73309276800

約数和(自身を除く): 51552644160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 408, 480, 510, 523, 544, 680, 816, 960, 1020, 1046, 1088, 1360, 1569, 1632, 2040, 2092, 2549, 2615, 2720, 3138, 3264, 4080, 4184, 5098, 5230, 5440, 6276, 7647, 7845, 8160, 8368, 8891, 10196, 10460, 12552, 12745, 15294, 15690, 16320, 16736, 17782, 20392, 20920, 25104, 25490, 26673, 30588, 31380, 33472, 35564, 38235, 40784, 41840, 43333, 44455, 50208, 50980, 53346, 61176, 62760, 71128, 76470, 81568, 83680, 86666, 88910, 100416, 101960, 106692, 122352, 125520, 129999, 133365, 142256, 152940, 163136, 167360, 173332, 177820, 203920, 213384, 216665, 244704, 251040, 259998, 266730, 284512, 305880, 346664, 355640, 407840, 426768, 433330, 489408, 502080, 519996, 533460, 569024, 611760, 649995, 693328, 711280, 815680, 853536, 866660, 1039992, 1066920, 1223520, 1299990, 1333127, 1386656, 1422560, 1707072, 1733320, 2079984, 2133840, 2447040, 2599980, 2666254, 2773312, 2845120, 3466640, 3999381, 4159968, 4267680, 5199960, 5332508, 6665635, 6933280, 7998762, 8319936, 8535360, 10399920, 10665016, 13331270, 13866560, 15997524, 19996905, 20799840, 21330032, 22663159, 26662540, 31995048, 39993810, 41599680, 42660064, 45326318, 53325080, 63990096, 67989477, 79987620, 85320128, 90652636, 106650160, 113315795, 127980192, 135978954, 159975240, 181305272, 213300320, 226631590, 255960384, 271957908, 319950480, 339947385, 362610544, 426600640, 453263180, 543915816, 639900960, 679894770, 725221088, 906526360, 1087831632, 1279801920, 1359789540, 1450442176, 1813052720, 2175663264, 2719579080, 3626105440, 4351326528, 5439158160, 7252210880, 10878316320, 21756632640]

約数ペア:

[(1, 21756632640), (2, 10878316320), (3, 7252210880), (4, 5439158160), (5, 4351326528), (6, 3626105440), (8, 2719579080), (10, 2175663264), (12, 1813052720), (15, 1450442176), (16, 1359789540), (17, 1279801920), (20, 1087831632), (24, 906526360), (30, 725221088), (32, 679894770), (34, 639900960), (40, 543915816), (48, 453263180), (51, 426600640), (60, 362610544), (64, 339947385), (68, 319950480), (80, 271957908), (85, 255960384), (96, 226631590), (102, 213300320), (120, 181305272), (136, 159975240), (160, 135978954), (170, 127980192), (192, 113315795), (204, 106650160), (240, 90652636), (255, 85320128), (272, 79987620), (320, 67989477), (340, 63990096), (408, 53325080), (480, 45326318), (510, 42660064), (523, 41599680), (544, 39993810), (680, 31995048), (816, 26662540), (960, 22663159), (1020, 21330032), (1046, 20799840), (1088, 19996905), (1360, 15997524), (1569, 13866560), (1632, 13331270), (2040, 10665016), (2092, 10399920), (2549, 8535360), (2615, 8319936), (2720, 7998762), (3138, 6933280), (3264, 6665635), (4080, 5332508), (4184, 5199960), (5098, 4267680), (5230, 4159968), (5440, 3999381), (6276, 3466640), (7647, 2845120), (7845, 2773312), (8160, 2666254), (8368, 2599980), (8891, 2447040), (10196, 2133840), (10460, 2079984), (12552, 1733320), (12745, 1707072), (15294, 1422560), (15690, 1386656), (16320, 1333127), (16736, 1299990), (17782, 1223520), (20392, 1066920), (20920, 1039992), (25104, 866660), (25490, 853536), (26673, 815680), (30588, 711280), (31380, 693328), (33472, 649995), (35564, 611760), (38235, 569024), (40784, 533460), (41840, 519996), (43333, 502080), (44455, 489408), (50208, 433330), (50980, 426768), (53346, 407840), (61176, 355640), (62760, 346664), (71128, 305880), (76470, 284512), (81568, 266730), (83680, 259998), (86666, 251040), (88910, 244704), (100416, 216665), (101960, 213384), (106692, 203920), (122352, 177820), (125520, 173332), (129999, 167360), (133365, 163136), (142256, 152940)]