2695980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{131}}^1$

素因数の和:164

約数の個数: 96

約数和(自身を含む): 8870400

約数和(自身を除く): 6174420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 131, 140, 147, 196, 210, 245, 262, 294, 343, 393, 420, 490, 524, 588, 655, 686, 735, 786, 917, 980, 1029, 1310, 1372, 1470, 1572, 1715, 1834, 1965, 2058, 2620, 2751, 2940, 3430, 3668, 3930, 4116, 4585, 5145, 5502, 6419, 6860, 7860, 9170, 10290, 11004, 12838, 13755, 18340, 19257, 20580, 25676, 27510, 32095, 38514, 44933, 55020, 64190, 77028, 89866, 96285, 128380, 134799, 179732, 192570, 224665, 269598, 385140, 449330, 539196, 673995, 898660, 1347990, 2695980]

約数ペア:

[(1, 2695980), (2, 1347990), (3, 898660), (4, 673995), (5, 539196), (6, 449330), (7, 385140), (10, 269598), (12, 224665), (14, 192570), (15, 179732), (20, 134799), (21, 128380), (28, 96285), (30, 89866), (35, 77028), (42, 64190), (49, 55020), (60, 44933), (70, 38514), (84, 32095), (98, 27510), (105, 25676), (131, 20580), (140, 19257), (147, 18340), (196, 13755), (210, 12838), (245, 11004), (262, 10290), (294, 9170), (343, 7860), (393, 6860), (420, 6419), (490, 5502), (524, 5145), (588, 4585), (655, 4116), (686, 3930), (735, 3668), (786, 3430), (917, 2940), (980, 2751), (1029, 2620), (1310, 2058), (1372, 1965), (1470, 1834), (1572, 1715)]