51415980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:420

約数の個数: 192

約数和(自身を含む): 185794560

約数和(自身を除く): 134378580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 31, 33, 35, 42, 44, 55, 60, 62, 66, 70, 77, 84, 93, 105, 110, 124, 132, 140, 154, 155, 165, 186, 210, 217, 220, 231, 308, 310, 330, 341, 359, 372, 385, 420, 434, 462, 465, 620, 651, 660, 682, 718, 770, 868, 924, 930, 1023, 1077, 1085, 1155, 1302, 1364, 1436, 1540, 1705, 1795, 1860, 2046, 2154, 2170, 2310, 2387, 2513, 2604, 3255, 3410, 3590, 3949, 4092, 4308, 4340, 4620, 4774, 5026, 5115, 5385, 6510, 6820, 7161, 7180, 7539, 7898, 9548, 10052, 10230, 10770, 11129, 11847, 11935, 12565, 13020, 14322, 15078, 15796, 19745, 20460, 21540, 22258, 23694, 23870, 25130, 27643, 28644, 30156, 33387, 35805, 37695, 39490, 44516, 47388, 47740, 50260, 55286, 55645, 59235, 66774, 71610, 75390, 77903, 78980, 82929, 110572, 111290, 118470, 122419, 133548, 138215, 143220, 150780, 155806, 165858, 166935, 222580, 233709, 236940, 244838, 276430, 311612, 331716, 333870, 367257, 389515, 414645, 467418, 489676, 552860, 612095, 667740, 734514, 779030, 829290, 856933, 934836, 1168545, 1224190, 1469028, 1558060, 1658580, 1713866, 1836285, 2337090, 2448380, 2570799, 3427732, 3672570, 4284665, 4674180, 5141598, 7345140, 8569330, 10283196, 12853995, 17138660, 25707990, 51415980]

約数ペア:

[(1, 51415980), (2, 25707990), (3, 17138660), (4, 12853995), (5, 10283196), (6, 8569330), (7, 7345140), (10, 5141598), (11, 4674180), (12, 4284665), (14, 3672570), (15, 3427732), (20, 2570799), (21, 2448380), (22, 2337090), (28, 1836285), (30, 1713866), (31, 1658580), (33, 1558060), (35, 1469028), (42, 1224190), (44, 1168545), (55, 934836), (60, 856933), (62, 829290), (66, 779030), (70, 734514), (77, 667740), (84, 612095), (93, 552860), (105, 489676), (110, 467418), (124, 414645), (132, 389515), (140, 367257), (154, 333870), (155, 331716), (165, 311612), (186, 276430), (210, 244838), (217, 236940), (220, 233709), (231, 222580), (308, 166935), (310, 165858), (330, 155806), (341, 150780), (359, 143220), (372, 138215), (385, 133548), (420, 122419), (434, 118470), (462, 111290), (465, 110572), (620, 82929), (651, 78980), (660, 77903), (682, 75390), (718, 71610), (770, 66774), (868, 59235), (924, 55645), (930, 55286), (1023, 50260), (1077, 47740), (1085, 47388), (1155, 44516), (1302, 39490), (1364, 37695), (1436, 35805), (1540, 33387), (1705, 30156), (1795, 28644), (1860, 27643), (2046, 25130), (2154, 23870), (2170, 23694), (2310, 22258), (2387, 21540), (2513, 20460), (2604, 19745), (3255, 15796), (3410, 15078), (3590, 14322), (3949, 13020), (4092, 12565), (4308, 11935), (4340, 11847), (4620, 11129), (4774, 10770), (5026, 10230), (5115, 10052), (5385, 9548), (6510, 7898), (6820, 7539), (7161, 7180)]