78940260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:143

約数の個数: 288

約数和(自身を含む): 295206912

約数和(自身を除く): 216266652

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 43, 45, 47, 60, 62, 63, 70, 84, 86, 90, 93, 94, 105, 124, 126, 129, 140, 141, 155, 172, 180, 186, 188, 210, 215, 217, 235, 252, 258, 279, 282, 301, 310, 315, 329, 372, 387, 420, 423, 430, 434, 465, 470, 516, 558, 564, 602, 620, 630, 645, 651, 658, 705, 774, 846, 860, 868, 903, 930, 940, 987, 1085, 1116, 1204, 1260, 1290, 1302, 1316, 1333, 1395, 1410, 1457, 1505, 1548, 1645, 1692, 1806, 1860, 1935, 1953, 1974, 2021, 2115, 2170, 2580, 2604, 2666, 2709, 2790, 2820, 2914, 2961, 3010, 3255, 3290, 3612, 3870, 3906, 3948, 3999, 4042, 4230, 4340, 4371, 4515, 4935, 5332, 5418, 5580, 5828, 5922, 6020, 6063, 6510, 6580, 6665, 7285, 7740, 7812, 7998, 8084, 8460, 8742, 9030, 9331, 9765, 9870, 10105, 10199, 10836, 11844, 11997, 12126, 13020, 13113, 13330, 13545, 14147, 14570, 14805, 15996, 17484, 18060, 18189, 18662, 19530, 19740, 19995, 20210, 20398, 21855, 23994, 24252, 26226, 26660, 27090, 27993, 28294, 29140, 29610, 30315, 30597, 36378, 37324, 39060, 39990, 40420, 40796, 42441, 43710, 46655, 47988, 50995, 52452, 54180, 55986, 56588, 59220, 59985, 60630, 61194, 62651, 65565, 70735, 72756, 79980, 83979, 84882, 87420, 90945, 91791, 93310, 101990, 111972, 119970, 121260, 122388, 125302, 127323, 131130, 139965, 141470, 152985, 167958, 169764, 181890, 183582, 186620, 187953, 203980, 212205, 239940, 250604, 254646, 262260, 279930, 282940, 305970, 313255, 335916, 363780, 367164, 375906, 419895, 424410, 438557, 458955, 509292, 559860, 563859, 611940, 626510, 636615, 751812, 839790, 848820, 877114, 917910, 939765, 1127718, 1253020, 1273230, 1315671, 1679580, 1754228, 1835820, 1879530, 2192785, 2255436, 2546460, 2631342, 2819295, 3759060, 3947013, 4385570, 5262684, 5638590, 6578355, 7894026, 8771140, 11277180, 13156710, 15788052, 19735065, 26313420, 39470130, 78940260]

約数ペア:

[(1, 78940260), (2, 39470130), (3, 26313420), (4, 19735065), (5, 15788052), (6, 13156710), (7, 11277180), (9, 8771140), (10, 7894026), (12, 6578355), (14, 5638590), (15, 5262684), (18, 4385570), (20, 3947013), (21, 3759060), (28, 2819295), (30, 2631342), (31, 2546460), (35, 2255436), (36, 2192785), (42, 1879530), (43, 1835820), (45, 1754228), (47, 1679580), (60, 1315671), (62, 1273230), (63, 1253020), (70, 1127718), (84, 939765), (86, 917910), (90, 877114), (93, 848820), (94, 839790), (105, 751812), (124, 636615), (126, 626510), (129, 611940), (140, 563859), (141, 559860), (155, 509292), (172, 458955), (180, 438557), (186, 424410), (188, 419895), (210, 375906), (215, 367164), (217, 363780), (235, 335916), (252, 313255), (258, 305970), (279, 282940), (282, 279930), (301, 262260), (310, 254646), (315, 250604), (329, 239940), (372, 212205), (387, 203980), (420, 187953), (423, 186620), (430, 183582), (434, 181890), (465, 169764), (470, 167958), (516, 152985), (558, 141470), (564, 139965), (602, 131130), (620, 127323), (630, 125302), (645, 122388), (651, 121260), (658, 119970), (705, 111972), (774, 101990), (846, 93310), (860, 91791), (868, 90945), (903, 87420), (930, 84882), (940, 83979), (987, 79980), (1085, 72756), (1116, 70735), (1204, 65565), (1260, 62651), (1290, 61194), (1302, 60630), (1316, 59985), (1333, 59220), (1395, 56588), (1410, 55986), (1457, 54180), (1505, 52452), (1548, 50995), (1645, 47988), (1692, 46655), (1806, 43710), (1860, 42441), (1935, 40796), (1953, 40420), (1974, 39990), (2021, 39060), (2115, 37324), (2170, 36378), (2580, 30597), (2604, 30315), (2666, 29610), (2709, 29140), (2790, 28294), (2820, 27993), (2914, 27090), (2961, 26660), (3010, 26226), (3255, 24252), (3290, 23994), (3612, 21855), (3870, 20398), (3906, 20210), (3948, 19995), (3999, 19740), (4042, 19530), (4230, 18662), (4340, 18189), (4371, 18060), (4515, 17484), (4935, 15996), (5332, 14805), (5418, 14570), (5580, 14147), (5828, 13545), (5922, 13330), (6020, 13113), (6063, 13020), (6510, 12126), (6580, 11997), (6665, 11844), (7285, 10836), (7740, 10199), (7812, 10105), (7998, 9870), (8084, 9765), (8460, 9331), (8742, 9030)]