61308540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^2$

素因数の和:236

約数の個数: 108

約数和(自身を含む): 192456264

約数和(自身を除く): 131147724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 89, 90, 129, 172, 178, 180, 215, 258, 267, 356, 387, 430, 445, 516, 534, 645, 774, 801, 860, 890, 1068, 1290, 1335, 1548, 1602, 1780, 1935, 2580, 2670, 3204, 3827, 3870, 4005, 5340, 7654, 7740, 7921, 8010, 11481, 15308, 15842, 16020, 19135, 22962, 23763, 31684, 34443, 38270, 39605, 45924, 47526, 57405, 68886, 71289, 76540, 79210, 95052, 114810, 118815, 137772, 142578, 158420, 172215, 229620, 237630, 285156, 340603, 344430, 356445, 475260, 681206, 688860, 712890, 1021809, 1362412, 1425780, 1703015, 2043618, 3065427, 3406030, 4087236, 5109045, 6130854, 6812060, 10218090, 12261708, 15327135, 20436180, 30654270, 61308540]

約数ペア:

[(1, 61308540), (2, 30654270), (3, 20436180), (4, 15327135), (5, 12261708), (6, 10218090), (9, 6812060), (10, 6130854), (12, 5109045), (15, 4087236), (18, 3406030), (20, 3065427), (30, 2043618), (36, 1703015), (43, 1425780), (45, 1362412), (60, 1021809), (86, 712890), (89, 688860), (90, 681206), (129, 475260), (172, 356445), (178, 344430), (180, 340603), (215, 285156), (258, 237630), (267, 229620), (356, 172215), (387, 158420), (430, 142578), (445, 137772), (516, 118815), (534, 114810), (645, 95052), (774, 79210), (801, 76540), (860, 71289), (890, 68886), (1068, 57405), (1290, 47526), (1335, 45924), (1548, 39605), (1602, 38270), (1780, 34443), (1935, 31684), (2580, 23763), (2670, 22962), (3204, 19135), (3827, 16020), (3870, 15842), (4005, 15308), (5340, 11481), (7654, 8010), (7740, 7921)]