1891260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:120

約数の個数: 144

約数和(自身を含む): 6988800

約数和(自身を除く): 5097540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 79, 84, 90, 95, 105, 114, 126, 133, 140, 158, 171, 180, 190, 210, 228, 237, 252, 266, 285, 315, 316, 342, 380, 395, 399, 420, 474, 532, 553, 570, 630, 665, 684, 711, 790, 798, 855, 948, 1106, 1140, 1185, 1197, 1260, 1330, 1422, 1501, 1580, 1596, 1659, 1710, 1995, 2212, 2370, 2394, 2660, 2765, 2844, 3002, 3318, 3420, 3555, 3990, 4503, 4740, 4788, 4977, 5530, 5985, 6004, 6636, 7110, 7505, 7980, 8295, 9006, 9954, 10507, 11060, 11970, 13509, 14220, 15010, 16590, 18012, 19908, 21014, 22515, 23940, 24885, 27018, 30020, 31521, 33180, 42028, 45030, 49770, 52535, 54036, 63042, 67545, 90060, 94563, 99540, 105070, 126084, 135090, 157605, 189126, 210140, 270180, 315210, 378252, 472815, 630420, 945630, 1891260]

約数ペア:

[(1, 1891260), (2, 945630), (3, 630420), (4, 472815), (5, 378252), (6, 315210), (7, 270180), (9, 210140), (10, 189126), (12, 157605), (14, 135090), (15, 126084), (18, 105070), (19, 99540), (20, 94563), (21, 90060), (28, 67545), (30, 63042), (35, 54036), (36, 52535), (38, 49770), (42, 45030), (45, 42028), (57, 33180), (60, 31521), (63, 30020), (70, 27018), (76, 24885), (79, 23940), (84, 22515), (90, 21014), (95, 19908), (105, 18012), (114, 16590), (126, 15010), (133, 14220), (140, 13509), (158, 11970), (171, 11060), (180, 10507), (190, 9954), (210, 9006), (228, 8295), (237, 7980), (252, 7505), (266, 7110), (285, 6636), (315, 6004), (316, 5985), (342, 5530), (380, 4977), (395, 4788), (399, 4740), (420, 4503), (474, 3990), (532, 3555), (553, 3420), (570, 3318), (630, 3002), (665, 2844), (684, 2765), (711, 2660), (790, 2394), (798, 2370), (855, 2212), (948, 1995), (1106, 1710), (1140, 1659), (1185, 1596), (1197, 1580), (1260, 1501), (1330, 1422)]