1980481020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{8527}}^1$

素因数の和:8632

約数の個数: 144

約数和(自身を含む): 6533130240

約数和(自身を除く): 4552649220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 79, 84, 98, 105, 140, 147, 158, 196, 210, 237, 245, 294, 316, 395, 420, 474, 490, 553, 588, 735, 790, 948, 980, 1106, 1185, 1470, 1580, 1659, 2212, 2370, 2765, 2940, 3318, 3871, 4740, 5530, 6636, 7742, 8295, 8527, 11060, 11613, 15484, 16590, 17054, 19355, 23226, 25581, 33180, 34108, 38710, 42635, 46452, 51162, 58065, 59689, 77420, 85270, 102324, 116130, 119378, 127905, 170540, 179067, 232260, 238756, 255810, 298445, 358134, 417823, 511620, 596890, 673633, 716268, 835646, 895335, 1193780, 1253469, 1347266, 1671292, 1790670, 2020899, 2089115, 2506938, 2694532, 3368165, 3581340, 4041798, 4178230, 4715431, 5013876, 6267345, 6736330, 8083596, 8356460, 9430862, 10104495, 12534690, 13472660, 14146293, 18861724, 20208990, 23577155, 25069380, 28292586, 33008017, 40417980, 47154310, 56585172, 66016034, 70731465, 94308620, 99024051, 132032068, 141462930, 165040085, 198048102, 282925860, 330080170, 396096204, 495120255, 660160340, 990240510, 1980481020]

約数ペア:

[(1, 1980481020), (2, 990240510), (3, 660160340), (4, 495120255), (5, 396096204), (6, 330080170), (7, 282925860), (10, 198048102), (12, 165040085), (14, 141462930), (15, 132032068), (20, 99024051), (21, 94308620), (28, 70731465), (30, 66016034), (35, 56585172), (42, 47154310), (49, 40417980), (60, 33008017), (70, 28292586), (79, 25069380), (84, 23577155), (98, 20208990), (105, 18861724), (140, 14146293), (147, 13472660), (158, 12534690), (196, 10104495), (210, 9430862), (237, 8356460), (245, 8083596), (294, 6736330), (316, 6267345), (395, 5013876), (420, 4715431), (474, 4178230), (490, 4041798), (553, 3581340), (588, 3368165), (735, 2694532), (790, 2506938), (948, 2089115), (980, 2020899), (1106, 1790670), (1185, 1671292), (1470, 1347266), (1580, 1253469), (1659, 1193780), (2212, 895335), (2370, 835646), (2765, 716268), (2940, 673633), (3318, 596890), (3871, 511620), (4740, 417823), (5530, 358134), (6636, 298445), (7742, 255810), (8295, 238756), (8527, 232260), (11060, 179067), (11613, 170540), (15484, 127905), (16590, 119378), (17054, 116130), (19355, 102324), (23226, 85270), (25581, 77420), (33180, 59689), (34108, 58065), (38710, 51162), (42635, 46452)]