1260840

素因数分解:

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

素因数の和:119

約数の個数: 128

約数和(自身を含む): 4608000

約数和(自身を除く): 3347160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 79, 84, 95, 105, 114, 120, 133, 140, 152, 158, 168, 190, 210, 228, 237, 266, 280, 285, 316, 380, 395, 399, 420, 456, 474, 532, 553, 570, 632, 665, 760, 790, 798, 840, 948, 1064, 1106, 1140, 1185, 1330, 1501, 1580, 1596, 1659, 1896, 1995, 2212, 2280, 2370, 2660, 2765, 3002, 3160, 3192, 3318, 3990, 4424, 4503, 4740, 5320, 5530, 6004, 6636, 7505, 7980, 8295, 9006, 9480, 10507, 11060, 12008, 13272, 15010, 15960, 16590, 18012, 21014, 22120, 22515, 30020, 31521, 33180, 36024, 42028, 45030, 52535, 60040, 63042, 66360, 84056, 90060, 105070, 126084, 157605, 180120, 210140, 252168, 315210, 420280, 630420, 1260840]

約数ペア:

[(1, 1260840), (2, 630420), (3, 420280), (4, 315210), (5, 252168), (6, 210140), (7, 180120), (8, 157605), (10, 126084), (12, 105070), (14, 90060), (15, 84056), (19, 66360), (20, 63042), (21, 60040), (24, 52535), (28, 45030), (30, 42028), (35, 36024), (38, 33180), (40, 31521), (42, 30020), (56, 22515), (57, 22120), (60, 21014), (70, 18012), (76, 16590), (79, 15960), (84, 15010), (95, 13272), (105, 12008), (114, 11060), (120, 10507), (133, 9480), (140, 9006), (152, 8295), (158, 7980), (168, 7505), (190, 6636), (210, 6004), (228, 5530), (237, 5320), (266, 4740), (280, 4503), (285, 4424), (316, 3990), (380, 3318), (395, 3192), (399, 3160), (420, 3002), (456, 2765), (474, 2660), (532, 2370), (553, 2280), (570, 2212), (632, 1995), (665, 1896), (760, 1659), (790, 1596), (798, 1580), (840, 1501), (948, 1330), (1064, 1185), (1106, 1140)]