311389620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:545

約数の個数: 96

約数和(自身を含む): 887483520

約数和(自身を除く): 576093900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 173, 229, 262, 346, 393, 458, 519, 524, 655, 687, 692, 786, 865, 916, 1038, 1145, 1310, 1374, 1572, 1730, 1965, 2076, 2290, 2595, 2620, 2748, 3435, 3460, 3930, 4580, 5190, 6870, 7860, 10380, 13740, 22663, 29999, 39617, 45326, 59998, 67989, 79234, 89997, 90652, 113315, 118851, 119996, 135978, 149995, 158468, 179994, 198085, 226630, 237702, 271956, 299990, 339945, 359988, 396170, 449985, 453260, 475404, 594255, 599980, 679890, 792340, 899970, 1188510, 1359780, 1799940, 2377020, 5189827, 10379654, 15569481, 20759308, 25949135, 31138962, 51898270, 62277924, 77847405, 103796540, 155694810, 311389620]

約数ペア:

[(1, 311389620), (2, 155694810), (3, 103796540), (4, 77847405), (5, 62277924), (6, 51898270), (10, 31138962), (12, 25949135), (15, 20759308), (20, 15569481), (30, 10379654), (60, 5189827), (131, 2377020), (173, 1799940), (229, 1359780), (262, 1188510), (346, 899970), (393, 792340), (458, 679890), (519, 599980), (524, 594255), (655, 475404), (687, 453260), (692, 449985), (786, 396170), (865, 359988), (916, 339945), (1038, 299990), (1145, 271956), (1310, 237702), (1374, 226630), (1572, 198085), (1730, 179994), (1965, 158468), (2076, 149995), (2290, 135978), (2595, 119996), (2620, 118851), (2748, 113315), (3435, 90652), (3460, 89997), (3930, 79234), (4580, 67989), (5190, 59998), (6870, 45326), (7860, 39617), (10380, 29999), (13740, 22663)]