42402080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{131}}^1$

素因数の和:187

約数の個数: 144

約数和(自身を含む): 122544576

約数和(自身を除く): 80142496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 131, 136, 140, 160, 170, 224, 238, 262, 272, 280, 289, 340, 476, 524, 544, 560, 578, 595, 655, 680, 917, 952, 1048, 1120, 1156, 1190, 1310, 1360, 1445, 1834, 1904, 2023, 2096, 2227, 2312, 2380, 2620, 2720, 2890, 3668, 3808, 4046, 4192, 4454, 4585, 4624, 4760, 5240, 5780, 7336, 8092, 8908, 9170, 9248, 9520, 10115, 10480, 11135, 11560, 14672, 15589, 16184, 17816, 18340, 19040, 20230, 20960, 22270, 23120, 29344, 31178, 32368, 35632, 36680, 37859, 40460, 44540, 46240, 62356, 64736, 71264, 73360, 75718, 77945, 80920, 89080, 124712, 146720, 151436, 155890, 161840, 178160, 189295, 249424, 265013, 302872, 311780, 323680, 356320, 378590, 498848, 530026, 605744, 623560, 757180, 1060052, 1211488, 1247120, 1325065, 1514360, 2120104, 2494240, 2650130, 3028720, 4240208, 5300260, 6057440, 8480416, 10600520, 21201040, 42402080]

約数ペア:

[(1, 42402080), (2, 21201040), (4, 10600520), (5, 8480416), (7, 6057440), (8, 5300260), (10, 4240208), (14, 3028720), (16, 2650130), (17, 2494240), (20, 2120104), (28, 1514360), (32, 1325065), (34, 1247120), (35, 1211488), (40, 1060052), (56, 757180), (68, 623560), (70, 605744), (80, 530026), (85, 498848), (112, 378590), (119, 356320), (131, 323680), (136, 311780), (140, 302872), (160, 265013), (170, 249424), (224, 189295), (238, 178160), (262, 161840), (272, 155890), (280, 151436), (289, 146720), (340, 124712), (476, 89080), (524, 80920), (544, 77945), (560, 75718), (578, 73360), (595, 71264), (655, 64736), (680, 62356), (917, 46240), (952, 44540), (1048, 40460), (1120, 37859), (1156, 36680), (1190, 35632), (1310, 32368), (1360, 31178), (1445, 29344), (1834, 23120), (1904, 22270), (2023, 20960), (2096, 20230), (2227, 19040), (2312, 18340), (2380, 17816), (2620, 16184), (2720, 15589), (2890, 14672), (3668, 11560), (3808, 11135), (4046, 10480), (4192, 10115), (4454, 9520), (4585, 9248), (4624, 9170), (4760, 8908), (5240, 8092), (5780, 7336)]