81430920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1$

素因数の和:677

約数の個数: 160

約数和(自身を含む): 280831320

約数和(自身を除く): 199400400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 41, 45, 54, 60, 72, 81, 82, 90, 108, 120, 123, 135, 162, 164, 180, 205, 216, 246, 270, 324, 328, 360, 369, 405, 410, 492, 540, 613, 615, 648, 738, 810, 820, 984, 1080, 1107, 1226, 1230, 1476, 1620, 1640, 1839, 1845, 2214, 2452, 2460, 2952, 3065, 3240, 3321, 3678, 3690, 4428, 4904, 4920, 5517, 5535, 6130, 6642, 7356, 7380, 8856, 9195, 11034, 11070, 12260, 13284, 14712, 14760, 16551, 16605, 18390, 22068, 22140, 24520, 25133, 26568, 27585, 33102, 33210, 36780, 44136, 44280, 49653, 50266, 55170, 66204, 66420, 73560, 75399, 82755, 99306, 100532, 110340, 125665, 132408, 132840, 150798, 165510, 198612, 201064, 220680, 226197, 248265, 251330, 301596, 331020, 376995, 397224, 452394, 496530, 502660, 603192, 662040, 678591, 753990, 904788, 993060, 1005320, 1130985, 1357182, 1507980, 1809576, 1986120, 2035773, 2261970, 2714364, 3015960, 3392955, 4071546, 4523940, 5428728, 6785910, 8143092, 9047880, 10178865, 13571820, 16286184, 20357730, 27143640, 40715460, 81430920]

約数ペア:

[(1, 81430920), (2, 40715460), (3, 27143640), (4, 20357730), (5, 16286184), (6, 13571820), (8, 10178865), (9, 9047880), (10, 8143092), (12, 6785910), (15, 5428728), (18, 4523940), (20, 4071546), (24, 3392955), (27, 3015960), (30, 2714364), (36, 2261970), (40, 2035773), (41, 1986120), (45, 1809576), (54, 1507980), (60, 1357182), (72, 1130985), (81, 1005320), (82, 993060), (90, 904788), (108, 753990), (120, 678591), (123, 662040), (135, 603192), (162, 502660), (164, 496530), (180, 452394), (205, 397224), (216, 376995), (246, 331020), (270, 301596), (324, 251330), (328, 248265), (360, 226197), (369, 220680), (405, 201064), (410, 198612), (492, 165510), (540, 150798), (613, 132840), (615, 132408), (648, 125665), (738, 110340), (810, 100532), (820, 99306), (984, 82755), (1080, 75399), (1107, 73560), (1226, 66420), (1230, 66204), (1476, 55170), (1620, 50266), (1640, 49653), (1839, 44280), (1845, 44136), (2214, 36780), (2452, 33210), (2460, 33102), (2952, 27585), (3065, 26568), (3240, 25133), (3321, 24520), (3678, 22140), (3690, 22068), (4428, 18390), (4904, 16605), (4920, 16551), (5517, 14760), (5535, 14712), (6130, 13284), (6642, 12260), (7356, 11070), (7380, 11034), (8856, 9195)]