1209871320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{4127}}^1$

素因数の和:4497

約数の個数: 128

約数和(自身を含む): 4161024000

約数和(自身を除く): 2951152680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 349, 420, 698, 840, 1047, 1396, 1745, 2094, 2443, 2792, 3490, 4127, 4188, 4886, 5235, 6980, 7329, 8254, 8376, 9772, 10470, 12215, 12381, 13960, 14658, 16508, 19544, 20635, 20940, 24430, 24762, 28889, 29316, 33016, 36645, 41270, 41880, 48860, 49524, 57778, 58632, 61905, 73290, 82540, 86667, 97720, 99048, 115556, 123810, 144445, 146580, 165080, 173334, 231112, 247620, 288890, 293160, 346668, 433335, 495240, 577780, 693336, 866670, 1155560, 1440323, 1733340, 2880646, 3466680, 4320969, 5761292, 7201615, 8641938, 10082261, 11522584, 14403230, 17283876, 20164522, 21604845, 28806460, 30246783, 34567752, 40329044, 43209690, 50411305, 57612920, 60493566, 80658088, 86419380, 100822610, 120987132, 151233915, 172838760, 201645220, 241974264, 302467830, 403290440, 604935660, 1209871320]

約数ペア:

[(1, 1209871320), (2, 604935660), (3, 403290440), (4, 302467830), (5, 241974264), (6, 201645220), (7, 172838760), (8, 151233915), (10, 120987132), (12, 100822610), (14, 86419380), (15, 80658088), (20, 60493566), (21, 57612920), (24, 50411305), (28, 43209690), (30, 40329044), (35, 34567752), (40, 30246783), (42, 28806460), (56, 21604845), (60, 20164522), (70, 17283876), (84, 14403230), (105, 11522584), (120, 10082261), (140, 8641938), (168, 7201615), (210, 5761292), (280, 4320969), (349, 3466680), (420, 2880646), (698, 1733340), (840, 1440323), (1047, 1155560), (1396, 866670), (1745, 693336), (2094, 577780), (2443, 495240), (2792, 433335), (3490, 346668), (4127, 293160), (4188, 288890), (4886, 247620), (5235, 231112), (6980, 173334), (7329, 165080), (8254, 146580), (8376, 144445), (9772, 123810), (10470, 115556), (12215, 99048), (12381, 97720), (13960, 86667), (14658, 82540), (16508, 73290), (19544, 61905), (20635, 58632), (20940, 57778), (24430, 49524), (24762, 48860), (28889, 41880), (29316, 41270), (33016, 36645)]