47880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1$

素因数の和:43

約数の個数: 96

約数和(自身を含む): 187200

約数和(自身を除く): 139320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 252, 266, 280, 285, 315, 342, 360, 380, 399, 420, 456, 504, 532, 570, 630, 665, 684, 760, 798, 840, 855, 1064, 1140, 1197, 1260, 1330, 1368, 1596, 1710, 1995, 2280, 2394, 2520, 2660, 3192, 3420, 3990, 4788, 5320, 5985, 6840, 7980, 9576, 11970, 15960, 23940, 47880]

約数ペア:

[(1, 47880), (2, 23940), (3, 15960), (4, 11970), (5, 9576), (6, 7980), (7, 6840), (8, 5985), (9, 5320), (10, 4788), (12, 3990), (14, 3420), (15, 3192), (18, 2660), (19, 2520), (20, 2394), (21, 2280), (24, 1995), (28, 1710), (30, 1596), (35, 1368), (36, 1330), (38, 1260), (40, 1197), (42, 1140), (45, 1064), (56, 855), (57, 840), (60, 798), (63, 760), (70, 684), (72, 665), (76, 630), (84, 570), (90, 532), (95, 504), (105, 456), (114, 420), (120, 399), (126, 380), (133, 360), (140, 342), (152, 315), (168, 285), (171, 280), (180, 266), (190, 252), (210, 228)]