81041520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{48239}}^1$

素因数の和:48262

約数の個数: 80

約数和(自身を含む): 287124480

約数和(自身を除く): 206082960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 48239, 96478, 144717, 192956, 241195, 289434, 337673, 385912, 482390, 578868, 675346, 723585, 771824, 964780, 1013019, 1157736, 1350692, 1447170, 1688365, 1929560, 2026038, 2315472, 2701384, 2894340, 3376730, 3859120, 4052076, 5065095, 5402768, 5788680, 6753460, 8104152, 10130190, 11577360, 13506920, 16208304, 20260380, 27013840, 40520760, 81041520]

約数ペア:

[(1, 81041520), (2, 40520760), (3, 27013840), (4, 20260380), (5, 16208304), (6, 13506920), (7, 11577360), (8, 10130190), (10, 8104152), (12, 6753460), (14, 5788680), (15, 5402768), (16, 5065095), (20, 4052076), (21, 3859120), (24, 3376730), (28, 2894340), (30, 2701384), (35, 2315472), (40, 2026038), (42, 1929560), (48, 1688365), (56, 1447170), (60, 1350692), (70, 1157736), (80, 1013019), (84, 964780), (105, 771824), (112, 723585), (120, 675346), (140, 578868), (168, 482390), (210, 385912), (240, 337673), (280, 289434), (336, 241195), (420, 192956), (560, 144717), (840, 96478), (1680, 48239)]