305895480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:246

約数の個数: 256

約数和(自身を含む): 1060646400

約数和(自身を除く): 754750920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 29, 30, 33, 40, 44, 55, 58, 60, 61, 66, 87, 88, 110, 116, 120, 122, 131, 132, 145, 165, 174, 183, 220, 232, 244, 262, 264, 290, 305, 319, 330, 348, 366, 393, 435, 440, 488, 524, 580, 610, 638, 655, 660, 671, 696, 732, 786, 870, 915, 957, 1048, 1160, 1220, 1276, 1310, 1320, 1342, 1441, 1464, 1572, 1595, 1740, 1769, 1830, 1914, 1965, 2013, 2440, 2552, 2620, 2684, 2882, 3144, 3190, 3355, 3480, 3538, 3660, 3799, 3828, 3930, 4026, 4323, 4785, 5240, 5307, 5368, 5764, 6380, 6710, 7076, 7205, 7320, 7598, 7656, 7860, 7991, 8052, 8646, 8845, 9570, 10065, 10614, 11397, 11528, 12760, 13420, 14152, 14410, 15196, 15720, 15982, 16104, 17292, 17690, 18995, 19140, 19459, 20130, 21228, 21615, 22794, 23973, 26535, 26840, 28820, 30392, 31964, 34584, 35380, 37990, 38280, 38918, 39955, 40260, 41789, 42456, 43230, 45588, 47946, 53070, 56985, 57640, 58377, 63928, 70760, 75980, 77836, 79910, 80520, 83578, 86460, 87901, 91176, 95892, 97295, 106140, 113970, 116754, 119865, 125367, 151960, 155672, 159820, 167156, 172920, 175802, 191784, 194590, 208945, 212280, 227940, 231739, 233508, 239730, 250734, 263703, 291885, 319640, 334312, 351604, 389180, 417890, 439505, 455880, 463478, 467016, 479460, 501468, 527406, 583770, 626835, 695217, 703208, 778360, 835780, 879010, 926956, 958920, 1002936, 1054812, 1158695, 1167540, 1253670, 1318515, 1390434, 1671560, 1758020, 1853912, 2109624, 2317390, 2335080, 2507340, 2549129, 2637030, 2780868, 3476085, 3516040, 4634780, 5014680, 5098258, 5274060, 5561736, 6952170, 7647387, 9269560, 10196516, 10548120, 12745645, 13904340, 15294774, 20393032, 25491290, 27808680, 30589548, 38236935, 50982580, 61179096, 76473870, 101965160, 152947740, 305895480]

約数ペア:

[(1, 305895480), (2, 152947740), (3, 101965160), (4, 76473870), (5, 61179096), (6, 50982580), (8, 38236935), (10, 30589548), (11, 27808680), (12, 25491290), (15, 20393032), (20, 15294774), (22, 13904340), (24, 12745645), (29, 10548120), (30, 10196516), (33, 9269560), (40, 7647387), (44, 6952170), (55, 5561736), (58, 5274060), (60, 5098258), (61, 5014680), (66, 4634780), (87, 3516040), (88, 3476085), (110, 2780868), (116, 2637030), (120, 2549129), (122, 2507340), (131, 2335080), (132, 2317390), (145, 2109624), (165, 1853912), (174, 1758020), (183, 1671560), (220, 1390434), (232, 1318515), (244, 1253670), (262, 1167540), (264, 1158695), (290, 1054812), (305, 1002936), (319, 958920), (330, 926956), (348, 879010), (366, 835780), (393, 778360), (435, 703208), (440, 695217), (488, 626835), (524, 583770), (580, 527406), (610, 501468), (638, 479460), (655, 467016), (660, 463478), (671, 455880), (696, 439505), (732, 417890), (786, 389180), (870, 351604), (915, 334312), (957, 319640), (1048, 291885), (1160, 263703), (1220, 250734), (1276, 239730), (1310, 233508), (1320, 231739), (1342, 227940), (1441, 212280), (1464, 208945), (1572, 194590), (1595, 191784), (1740, 175802), (1769, 172920), (1830, 167156), (1914, 159820), (1965, 155672), (2013, 151960), (2440, 125367), (2552, 119865), (2620, 116754), (2684, 113970), (2882, 106140), (3144, 97295), (3190, 95892), (3355, 91176), (3480, 87901), (3538, 86460), (3660, 83578), (3799, 80520), (3828, 79910), (3930, 77836), (4026, 75980), (4323, 70760), (4785, 63928), (5240, 58377), (5307, 57640), (5368, 56985), (5764, 53070), (6380, 47946), (6710, 45588), (7076, 43230), (7205, 42456), (7320, 41789), (7598, 40260), (7656, 39955), (7860, 38918), (7991, 38280), (8052, 37990), (8646, 35380), (8845, 34584), (9570, 31964), (10065, 30392), (10614, 28820), (11397, 26840), (11528, 26535), (12760, 23973), (13420, 22794), (14152, 21615), (14410, 21228), (15196, 20130), (15720, 19459), (15982, 19140), (16104, 18995), (17292, 17690)]