78882720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1381}}^1$

素因数の和:1423

約数の個数: 192

約数和(自身を含む): 300900096

約数和(自身を除く): 222017376

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 136, 140, 160, 168, 170, 204, 210, 224, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 480, 510, 544, 560, 595, 672, 680, 714, 816, 840, 952, 1020, 1120, 1190, 1360, 1381, 1428, 1632, 1680, 1785, 1904, 2040, 2380, 2720, 2762, 2856, 3360, 3570, 3808, 4080, 4143, 4760, 5524, 5712, 6905, 7140, 8160, 8286, 9520, 9667, 11048, 11424, 13810, 14280, 16572, 19040, 19334, 20715, 22096, 23477, 27620, 28560, 29001, 33144, 38668, 41430, 44192, 46954, 48335, 55240, 57120, 58002, 66288, 70431, 77336, 82860, 93908, 96670, 110480, 116004, 117385, 132576, 140862, 145005, 154672, 164339, 165720, 187816, 193340, 220960, 232008, 234770, 281724, 290010, 309344, 328678, 331440, 352155, 375632, 386680, 464016, 469540, 493017, 563448, 580020, 657356, 662880, 704310, 751264, 773360, 821695, 928032, 939080, 986034, 1126896, 1160040, 1314712, 1408620, 1546720, 1643390, 1878160, 1972068, 2253792, 2320080, 2465085, 2629424, 2817240, 3286780, 3756320, 3944136, 4640160, 4930170, 5258848, 5634480, 6573560, 7888272, 9860340, 11268960, 13147120, 15776544, 19720680, 26294240, 39441360, 78882720]

約数ペア:

[(1, 78882720), (2, 39441360), (3, 26294240), (4, 19720680), (5, 15776544), (6, 13147120), (7, 11268960), (8, 9860340), (10, 7888272), (12, 6573560), (14, 5634480), (15, 5258848), (16, 4930170), (17, 4640160), (20, 3944136), (21, 3756320), (24, 3286780), (28, 2817240), (30, 2629424), (32, 2465085), (34, 2320080), (35, 2253792), (40, 1972068), (42, 1878160), (48, 1643390), (51, 1546720), (56, 1408620), (60, 1314712), (68, 1160040), (70, 1126896), (80, 986034), (84, 939080), (85, 928032), (96, 821695), (102, 773360), (105, 751264), (112, 704310), (119, 662880), (120, 657356), (136, 580020), (140, 563448), (160, 493017), (168, 469540), (170, 464016), (204, 386680), (210, 375632), (224, 352155), (238, 331440), (240, 328678), (255, 309344), (272, 290010), (280, 281724), (336, 234770), (340, 232008), (357, 220960), (408, 193340), (420, 187816), (476, 165720), (480, 164339), (510, 154672), (544, 145005), (560, 140862), (595, 132576), (672, 117385), (680, 116004), (714, 110480), (816, 96670), (840, 93908), (952, 82860), (1020, 77336), (1120, 70431), (1190, 66288), (1360, 58002), (1381, 57120), (1428, 55240), (1632, 48335), (1680, 46954), (1785, 44192), (1904, 41430), (2040, 38668), (2380, 33144), (2720, 29001), (2762, 28560), (2856, 27620), (3360, 23477), (3570, 22096), (3808, 20715), (4080, 19334), (4143, 19040), (4760, 16572), (5524, 14280), (5712, 13810), (6905, 11424), (7140, 11048), (8160, 9667), (8286, 9520)]