80987760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{16069}}^1$

素因数の和:16095

約数の個数: 120

約数和(自身を含む): 310858080

約数和(自身を除く): 229870320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 16069, 32138, 48207, 64276, 80345, 96414, 112483, 128552, 144621, 160690, 192828, 224966, 241035, 257104, 289242, 321380, 337449, 385656, 449932, 482070, 562415, 578484, 642760, 674898, 723105, 771312, 899864, 964140, 1012347, 1124830, 1156968, 1285520, 1349796, 1446210, 1687245, 1799728, 1928280, 2024694, 2249660, 2313936, 2699592, 2892420, 3374490, 3856560, 4049388, 4499320, 5061735, 5399184, 5784840, 6748980, 8098776, 8998640, 10123470, 11569680, 13497960, 16197552, 20246940, 26995920, 40493880, 80987760]

約数ペア:

[(1, 80987760), (2, 40493880), (3, 26995920), (4, 20246940), (5, 16197552), (6, 13497960), (7, 11569680), (8, 10123470), (9, 8998640), (10, 8098776), (12, 6748980), (14, 5784840), (15, 5399184), (16, 5061735), (18, 4499320), (20, 4049388), (21, 3856560), (24, 3374490), (28, 2892420), (30, 2699592), (35, 2313936), (36, 2249660), (40, 2024694), (42, 1928280), (45, 1799728), (48, 1687245), (56, 1446210), (60, 1349796), (63, 1285520), (70, 1156968), (72, 1124830), (80, 1012347), (84, 964140), (90, 899864), (105, 771312), (112, 723105), (120, 674898), (126, 642760), (140, 578484), (144, 562415), (168, 482070), (180, 449932), (210, 385656), (240, 337449), (252, 321380), (280, 289242), (315, 257104), (336, 241035), (360, 224966), (420, 192828), (504, 160690), (560, 144621), (630, 128552), (720, 112483), (840, 96414), (1008, 80345), (1260, 64276), (1680, 48207), (2520, 32138), (5040, 16069)]