30705480

素因数分解:

$2^3\times 3^{10}\times 5^1\times {\mathrm{13}}^1$

素因数の和:54

約数の個数: 176

約数和(自身を含む): 111601980

約数和(自身を除く): 80896500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 243, 260, 270, 312, 324, 351, 360, 390, 405, 468, 486, 520, 540, 585, 648, 702, 729, 780, 810, 936, 972, 1053, 1080, 1170, 1215, 1404, 1458, 1560, 1620, 1755, 1944, 2106, 2187, 2340, 2430, 2808, 2916, 3159, 3240, 3510, 3645, 4212, 4374, 4680, 4860, 5265, 5832, 6318, 6561, 7020, 7290, 8424, 8748, 9477, 9720, 10530, 10935, 12636, 13122, 14040, 14580, 15795, 17496, 18954, 19683, 21060, 21870, 25272, 26244, 28431, 29160, 31590, 32805, 37908, 39366, 42120, 43740, 47385, 52488, 56862, 59049, 63180, 65610, 75816, 78732, 85293, 87480, 94770, 98415, 113724, 118098, 126360, 131220, 142155, 157464, 170586, 189540, 196830, 227448, 236196, 255879, 262440, 284310, 295245, 341172, 379080, 393660, 426465, 472392, 511758, 568620, 590490, 682344, 767637, 787320, 852930, 1023516, 1137240, 1180980, 1279395, 1535274, 1705860, 2047032, 2361960, 2558790, 3070548, 3411720, 3838185, 5117580, 6141096, 7676370, 10235160, 15352740, 30705480]

約数ペア:

[(1, 30705480), (2, 15352740), (3, 10235160), (4, 7676370), (5, 6141096), (6, 5117580), (8, 3838185), (9, 3411720), (10, 3070548), (12, 2558790), (13, 2361960), (15, 2047032), (18, 1705860), (20, 1535274), (24, 1279395), (26, 1180980), (27, 1137240), (30, 1023516), (36, 852930), (39, 787320), (40, 767637), (45, 682344), (52, 590490), (54, 568620), (60, 511758), (65, 472392), (72, 426465), (78, 393660), (81, 379080), (90, 341172), (104, 295245), (108, 284310), (117, 262440), (120, 255879), (130, 236196), (135, 227448), (156, 196830), (162, 189540), (180, 170586), (195, 157464), (216, 142155), (234, 131220), (243, 126360), (260, 118098), (270, 113724), (312, 98415), (324, 94770), (351, 87480), (360, 85293), (390, 78732), (405, 75816), (468, 65610), (486, 63180), (520, 59049), (540, 56862), (585, 52488), (648, 47385), (702, 43740), (729, 42120), (780, 39366), (810, 37908), (936, 32805), (972, 31590), (1053, 29160), (1080, 28431), (1170, 26244), (1215, 25272), (1404, 21870), (1458, 21060), (1560, 19683), (1620, 18954), (1755, 17496), (1944, 15795), (2106, 14580), (2187, 14040), (2340, 13122), (2430, 12636), (2808, 10935), (2916, 10530), (3159, 9720), (3240, 9477), (3510, 8748), (3645, 8424), (4212, 7290), (4374, 7020), (4680, 6561), (4860, 6318), (5265, 5832)]