28240619940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{29947}}^1$

素因数の和:30019

約数の個数: 216

約数和(自身を含む): 95755016448

約数和(自身を除く): 67514396508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 169, 180, 186, 195, 234, 260, 279, 310, 338, 372, 390, 403, 465, 468, 507, 558, 585, 620, 676, 780, 806, 845, 930, 1014, 1116, 1170, 1209, 1395, 1521, 1612, 1690, 1860, 2015, 2028, 2340, 2418, 2535, 2790, 3042, 3380, 3627, 4030, 4836, 5070, 5239, 5580, 6045, 6084, 7254, 7605, 8060, 10140, 10478, 12090, 14508, 15210, 15717, 18135, 20956, 24180, 26195, 29947, 30420, 31434, 36270, 47151, 52390, 59894, 62868, 72540, 78585, 89841, 94302, 104780, 119788, 149735, 157170, 179682, 188604, 235755, 269523, 299470, 314340, 359364, 389311, 449205, 471510, 539046, 598940, 778622, 898410, 928357, 943020, 1078092, 1167933, 1347615, 1557244, 1796820, 1856714, 1946555, 2335866, 2695230, 2785071, 3503799, 3713428, 3893110, 4641785, 4671732, 5061043, 5390460, 5570142, 5839665, 7007598, 7786220, 8355213, 9283570, 10122086, 11140284, 11679330, 12068641, 13925355, 14015196, 15183129, 16710426, 17518995, 18567140, 20244172, 23358660, 24137282, 25305215, 27850710, 30366258, 33420852, 35037990, 36205923, 41776065, 45549387, 48274564, 50610430, 55701420, 60343205, 60732516, 70075980, 72411846, 75915645, 83552130, 91098774, 101220860, 108617769, 120686410, 144823692, 151831290, 156892333, 167104260, 181029615, 182197548, 217235538, 227746935, 241372820, 303662580, 313784666, 362059230, 434471076, 455493870, 470676999, 543088845, 627569332, 724118460, 784461665, 910987740, 941353998, 1086177690, 1412030997, 1568923330, 1882707996, 2172355380, 2353384995, 2824061994, 3137846660, 4706769990, 5648123988, 7060154985, 9413539980, 14120309970, 28240619940]

約数ペア:

[(1, 28240619940), (2, 14120309970), (3, 9413539980), (4, 7060154985), (5, 5648123988), (6, 4706769990), (9, 3137846660), (10, 2824061994), (12, 2353384995), (13, 2172355380), (15, 1882707996), (18, 1568923330), (20, 1412030997), (26, 1086177690), (30, 941353998), (31, 910987740), (36, 784461665), (39, 724118460), (45, 627569332), (52, 543088845), (60, 470676999), (62, 455493870), (65, 434471076), (78, 362059230), (90, 313784666), (93, 303662580), (117, 241372820), (124, 227746935), (130, 217235538), (155, 182197548), (156, 181029615), (169, 167104260), (180, 156892333), (186, 151831290), (195, 144823692), (234, 120686410), (260, 108617769), (279, 101220860), (310, 91098774), (338, 83552130), (372, 75915645), (390, 72411846), (403, 70075980), (465, 60732516), (468, 60343205), (507, 55701420), (558, 50610430), (585, 48274564), (620, 45549387), (676, 41776065), (780, 36205923), (806, 35037990), (845, 33420852), (930, 30366258), (1014, 27850710), (1116, 25305215), (1170, 24137282), (1209, 23358660), (1395, 20244172), (1521, 18567140), (1612, 17518995), (1690, 16710426), (1860, 15183129), (2015, 14015196), (2028, 13925355), (2340, 12068641), (2418, 11679330), (2535, 11140284), (2790, 10122086), (3042, 9283570), (3380, 8355213), (3627, 7786220), (4030, 7007598), (4836, 5839665), (5070, 5570142), (5239, 5390460), (5580, 5061043), (6045, 4671732), (6084, 4641785), (7254, 3893110), (7605, 3713428), (8060, 3503799), (10140, 2785071), (10478, 2695230), (12090, 2335866), (14508, 1946555), (15210, 1856714), (15717, 1796820), (18135, 1557244), (20956, 1347615), (24180, 1167933), (26195, 1078092), (29947, 943020), (30420, 928357), (31434, 898410), (36270, 778622), (47151, 598940), (52390, 539046), (59894, 471510), (62868, 449205), (72540, 389311), (78585, 359364), (89841, 314340), (94302, 299470), (104780, 269523), (119788, 235755), (149735, 188604), (157170, 179682)]