161855460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^2$

素因数の和:554

約数の個数: 108

約数和(自身を含む): 530745852

約数和(自身を除く): 368890392

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 263, 390, 468, 526, 585, 780, 789, 1052, 1170, 1315, 1578, 2340, 2367, 2630, 3156, 3419, 3945, 4734, 5260, 6838, 7890, 9468, 10257, 11835, 13676, 15780, 17095, 20514, 23670, 30771, 34190, 41028, 47340, 51285, 61542, 68380, 69169, 102570, 123084, 138338, 153855, 205140, 207507, 276676, 307710, 345845, 415014, 615420, 622521, 691690, 830028, 899197, 1037535, 1245042, 1383380, 1798394, 2075070, 2490084, 2697591, 3112605, 3596788, 4150140, 4495985, 5395182, 6225210, 8092773, 8991970, 10790364, 12450420, 13487955, 16185546, 17983940, 26975910, 32371092, 40463865, 53951820, 80927730, 161855460]

約数ペア:

[(1, 161855460), (2, 80927730), (3, 53951820), (4, 40463865), (5, 32371092), (6, 26975910), (9, 17983940), (10, 16185546), (12, 13487955), (13, 12450420), (15, 10790364), (18, 8991970), (20, 8092773), (26, 6225210), (30, 5395182), (36, 4495985), (39, 4150140), (45, 3596788), (52, 3112605), (60, 2697591), (65, 2490084), (78, 2075070), (90, 1798394), (117, 1383380), (130, 1245042), (156, 1037535), (180, 899197), (195, 830028), (234, 691690), (260, 622521), (263, 615420), (390, 415014), (468, 345845), (526, 307710), (585, 276676), (780, 207507), (789, 205140), (1052, 153855), (1170, 138338), (1315, 123084), (1578, 102570), (2340, 69169), (2367, 68380), (2630, 61542), (3156, 51285), (3419, 47340), (3945, 41028), (4734, 34190), (5260, 30771), (6838, 23670), (7890, 20514), (9468, 17095), (10257, 15780), (11835, 13676)]