253394640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18523}}^1$

素因数の和:18561

約数の個数: 120

約数和(自身を含む): 895820640

約数和(自身を除く): 642426000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 18523, 37046, 55569, 74092, 92615, 111138, 148184, 166707, 185230, 222276, 277845, 296368, 333414, 351937, 370460, 444552, 555690, 666828, 703874, 740920, 833535, 889104, 1055811, 1111380, 1333656, 1407748, 1481840, 1667070, 1759685, 2111622, 2222760, 2667312, 2815496, 3167433, 3334140, 3519370, 4223244, 4445520, 5279055, 5630992, 6334866, 6668280, 7038740, 8446488, 10558110, 12669732, 13336560, 14077480, 15837165, 16892976, 21116220, 25339464, 28154960, 31674330, 42232440, 50678928, 63348660, 84464880, 126697320, 253394640]

約数ペア:

[(1, 253394640), (2, 126697320), (3, 84464880), (4, 63348660), (5, 50678928), (6, 42232440), (8, 31674330), (9, 28154960), (10, 25339464), (12, 21116220), (15, 16892976), (16, 15837165), (18, 14077480), (19, 13336560), (20, 12669732), (24, 10558110), (30, 8446488), (36, 7038740), (38, 6668280), (40, 6334866), (45, 5630992), (48, 5279055), (57, 4445520), (60, 4223244), (72, 3519370), (76, 3334140), (80, 3167433), (90, 2815496), (95, 2667312), (114, 2222760), (120, 2111622), (144, 1759685), (152, 1667070), (171, 1481840), (180, 1407748), (190, 1333656), (228, 1111380), (240, 1055811), (285, 889104), (304, 833535), (342, 740920), (360, 703874), (380, 666828), (456, 555690), (570, 444552), (684, 370460), (720, 351937), (760, 333414), (855, 296368), (912, 277845), (1140, 222276), (1368, 185230), (1520, 166707), (1710, 148184), (2280, 111138), (2736, 92615), (3420, 74092), (4560, 55569), (6840, 37046), (13680, 18523)]