440390340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:539

約数の個数: 216

約数和(自身を含む): 1496371968

約数和(自身を除く): 1055981628

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, 467, 468, 507, 558, 585, 620, 676, 780, 806, 845, 930, 934, 1014, 1116, 1170, 1209, 1395, 1401, 1521, 1612, 1690, 1860, 1868, 2015, 2028, 2335, 2340, 2418, 2535, 2790, 2802, 3042, 3380, 3627, 4030, 4203, 4670, 4836, 5070, 5239, 5580, 5604, 6045, 6071, 6084, 7005, 7254, 7605, 8060, 8406, 9340, 10140, 10478, 12090, 12142, 14010, 14477, 14508, 15210, 15717, 16812, 18135, 18213, 20956, 21015, 24180, 24284, 26195, 28020, 28954, 30355, 30420, 31434, 36270, 36426, 42030, 43431, 47151, 52390, 54639, 57908, 60710, 62868, 72385, 72540, 72852, 78585, 78923, 84060, 86862, 91065, 94302, 104780, 109278, 121420, 130293, 144770, 157170, 157846, 173724, 182130, 188201, 188604, 217155, 218556, 235755, 236769, 260586, 273195, 289540, 314340, 315692, 364260, 376402, 394615, 434310, 471510, 473538, 521172, 546390, 564603, 651465, 710307, 752804, 789230, 868620, 941005, 943020, 947076, 1092780, 1129206, 1183845, 1302930, 1420614, 1578460, 1693809, 1882010, 2258412, 2367690, 2446613, 2605860, 2823015, 2841228, 3387618, 3551535, 3764020, 4735380, 4893226, 5646030, 6775236, 7103070, 7339839, 8469045, 9786452, 11292060, 12233065, 14206140, 14679678, 16938090, 22019517, 24466130, 29359356, 33876180, 36699195, 44039034, 48932260, 73398390, 88078068, 110097585, 146796780, 220195170, 440390340]

約数ペア:

[(1, 440390340), (2, 220195170), (3, 146796780), (4, 110097585), (5, 88078068), (6, 73398390), (9, 48932260), (10, 44039034), (12, 36699195), (13, 33876180), (15, 29359356), (18, 24466130), (20, 22019517), (26, 16938090), (30, 14679678), (31, 14206140), (36, 12233065), (39, 11292060), (45, 9786452), (52, 8469045), (60, 7339839), (62, 7103070), (65, 6775236), (78, 5646030), (90, 4893226), (93, 4735380), (117, 3764020), (124, 3551535), (130, 3387618), (155, 2841228), (156, 2823015), (169, 2605860), (180, 2446613), (186, 2367690), (195, 2258412), (234, 1882010), (260, 1693809), (279, 1578460), (310, 1420614), (338, 1302930), (372, 1183845), (390, 1129206), (403, 1092780), (465, 947076), (467, 943020), (468, 941005), (507, 868620), (558, 789230), (585, 752804), (620, 710307), (676, 651465), (780, 564603), (806, 546390), (845, 521172), (930, 473538), (934, 471510), (1014, 434310), (1116, 394615), (1170, 376402), (1209, 364260), (1395, 315692), (1401, 314340), (1521, 289540), (1612, 273195), (1690, 260586), (1860, 236769), (1868, 235755), (2015, 218556), (2028, 217155), (2335, 188604), (2340, 188201), (2418, 182130), (2535, 173724), (2790, 157846), (2802, 157170), (3042, 144770), (3380, 130293), (3627, 121420), (4030, 109278), (4203, 104780), (4670, 94302), (4836, 91065), (5070, 86862), (5239, 84060), (5580, 78923), (5604, 78585), (6045, 72852), (6071, 72540), (6084, 72385), (7005, 62868), (7254, 60710), (7605, 57908), (8060, 54639), (8406, 52390), (9340, 47151), (10140, 43431), (10478, 42030), (12090, 36426), (12142, 36270), (14010, 31434), (14477, 30420), (14508, 30355), (15210, 28954), (15717, 28020), (16812, 26195), (18135, 24284), (18213, 24180), (20956, 21015)]