16438680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:542

約数の個数: 128

約数和(自身を含む): 56678400

約数和(自身を除く): 40239720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 491, 540, 558, 620, 744, 837, 930, 982, 1080, 1116, 1240, 1395, 1473, 1674, 1860, 1964, 2232, 2455, 2790, 2946, 3348, 3720, 3928, 4185, 4419, 4910, 5580, 5892, 6696, 7365, 8370, 8838, 9820, 11160, 11784, 13257, 14730, 15221, 16740, 17676, 19640, 22095, 26514, 29460, 30442, 33480, 35352, 44190, 45663, 53028, 58920, 60884, 66285, 76105, 88380, 91326, 106056, 121768, 132570, 136989, 152210, 176760, 182652, 228315, 265140, 273978, 304420, 365304, 410967, 456630, 530280, 547956, 608840, 684945, 821934, 913260, 1095912, 1369890, 1643868, 1826520, 2054835, 2739780, 3287736, 4109670, 5479560, 8219340, 16438680]

約数ペア:

[(1, 16438680), (2, 8219340), (3, 5479560), (4, 4109670), (5, 3287736), (6, 2739780), (8, 2054835), (9, 1826520), (10, 1643868), (12, 1369890), (15, 1095912), (18, 913260), (20, 821934), (24, 684945), (27, 608840), (30, 547956), (31, 530280), (36, 456630), (40, 410967), (45, 365304), (54, 304420), (60, 273978), (62, 265140), (72, 228315), (90, 182652), (93, 176760), (108, 152210), (120, 136989), (124, 132570), (135, 121768), (155, 106056), (180, 91326), (186, 88380), (216, 76105), (248, 66285), (270, 60884), (279, 58920), (310, 53028), (360, 45663), (372, 44190), (465, 35352), (491, 33480), (540, 30442), (558, 29460), (620, 26514), (744, 22095), (837, 19640), (930, 17676), (982, 16740), (1080, 15221), (1116, 14730), (1240, 13257), (1395, 11784), (1473, 11160), (1674, 9820), (1860, 8838), (1964, 8370), (2232, 7365), (2455, 6696), (2790, 5892), (2946, 5580), (3348, 4910), (3720, 4419), (3928, 4185)]