320475840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:379

約数の個数: 224

約数和(自身を含む): 1096182720

約数和(自身を除く): 775706880

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, 73, 80, 85, 96, 102, 120, 136, 146, 160, 170, 192, 204, 219, 240, 255, 269, 272, 292, 320, 340, 365, 408, 438, 480, 510, 538, 544, 584, 680, 730, 807, 816, 876, 960, 1020, 1076, 1088, 1095, 1168, 1241, 1345, 1360, 1460, 1614, 1632, 1752, 2040, 2152, 2190, 2336, 2482, 2690, 2720, 2920, 3228, 3264, 3504, 3723, 4035, 4080, 4304, 4380, 4573, 4672, 4964, 5380, 5440, 5840, 6205, 6456, 7008, 7446, 8070, 8160, 8608, 8760, 9146, 9928, 10760, 11680, 12410, 12912, 13719, 14016, 14892, 16140, 16320, 17216, 17520, 18292, 18615, 19637, 19856, 21520, 22865, 23360, 24820, 25824, 27438, 29784, 32280, 35040, 36584, 37230, 39274, 39712, 43040, 45730, 49640, 51648, 54876, 58911, 59568, 64560, 68595, 70080, 73168, 74460, 78548, 79424, 86080, 91460, 98185, 99280, 109752, 117822, 119136, 129120, 137190, 146336, 148920, 157096, 182920, 196370, 198560, 219504, 235644, 238272, 258240, 274380, 292672, 294555, 297840, 314192, 333829, 365840, 392740, 397120, 439008, 471288, 548760, 589110, 595680, 628384, 667658, 731680, 785480, 878016, 942576, 1001487, 1097520, 1178220, 1191360, 1256768, 1335316, 1463360, 1570960, 1669145, 1885152, 2002974, 2195040, 2356440, 2670632, 3141920, 3338290, 3770304, 4005948, 4390080, 4712880, 5007435, 5341264, 6283840, 6676580, 8011896, 9425760, 10014870, 10682528, 13353160, 16023792, 18851520, 20029740, 21365056, 26706320, 32047584, 40059480, 53412640, 64095168, 80118960, 106825280, 160237920, 320475840]

約数ペア:

[(1, 320475840), (2, 160237920), (3, 106825280), (4, 80118960), (5, 64095168), (6, 53412640), (8, 40059480), (10, 32047584), (12, 26706320), (15, 21365056), (16, 20029740), (17, 18851520), (20, 16023792), (24, 13353160), (30, 10682528), (32, 10014870), (34, 9425760), (40, 8011896), (48, 6676580), (51, 6283840), (60, 5341264), (64, 5007435), (68, 4712880), (73, 4390080), (80, 4005948), (85, 3770304), (96, 3338290), (102, 3141920), (120, 2670632), (136, 2356440), (146, 2195040), (160, 2002974), (170, 1885152), (192, 1669145), (204, 1570960), (219, 1463360), (240, 1335316), (255, 1256768), (269, 1191360), (272, 1178220), (292, 1097520), (320, 1001487), (340, 942576), (365, 878016), (408, 785480), (438, 731680), (480, 667658), (510, 628384), (538, 595680), (544, 589110), (584, 548760), (680, 471288), (730, 439008), (807, 397120), (816, 392740), (876, 365840), (960, 333829), (1020, 314192), (1076, 297840), (1088, 294555), (1095, 292672), (1168, 274380), (1241, 258240), (1345, 238272), (1360, 235644), (1460, 219504), (1614, 198560), (1632, 196370), (1752, 182920), (2040, 157096), (2152, 148920), (2190, 146336), (2336, 137190), (2482, 129120), (2690, 119136), (2720, 117822), (2920, 109752), (3228, 99280), (3264, 98185), (3504, 91460), (3723, 86080), (4035, 79424), (4080, 78548), (4304, 74460), (4380, 73168), (4573, 70080), (4672, 68595), (4964, 64560), (5380, 59568), (5440, 58911), (5840, 54876), (6205, 51648), (6456, 49640), (7008, 45730), (7446, 43040), (8070, 39712), (8160, 39274), (8608, 37230), (8760, 36584), (9146, 35040), (9928, 32280), (10760, 29784), (11680, 27438), (12410, 25824), (12912, 24820), (13719, 23360), (14016, 22865), (14892, 21520), (16140, 19856), (16320, 19637), (17216, 18615), (17520, 18292)]