157798989440

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{21401}}^1$

素因数の和:21742

約数の個数: 128

約数和(自身を含む): 387832490640

約数和(自身を除く): 230033501200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 281, 320, 328, 410, 562, 640, 656, 820, 1124, 1312, 1405, 1640, 2248, 2624, 2810, 3280, 4496, 5248, 5620, 6560, 8992, 11240, 11521, 13120, 17984, 21401, 22480, 23042, 26240, 35968, 42802, 44960, 46084, 57605, 85604, 89920, 92168, 107005, 115210, 171208, 179840, 184336, 214010, 230420, 342416, 368672, 428020, 460840, 684832, 737344, 856040, 877441, 921680, 1369664, 1474688, 1712080, 1754882, 1843360, 2739328, 3424160, 3509764, 3686720, 4387205, 6013681, 6848320, 7019528, 7373440, 8774410, 12027362, 13696640, 14039056, 17548820, 24054724, 28078112, 30068405, 35097640, 48109448, 56156224, 60136810, 70195280, 96218896, 112312448, 120273620, 140390560, 192437792, 240547240, 246560921, 280781120, 384875584, 481094480, 493121842, 561562240, 769751168, 962188960, 986243684, 1232804605, 1924377920, 1972487368, 2465609210, 3848755840, 3944974736, 4931218420, 7889949472, 9862436840, 15779898944, 19724873680, 31559797888, 39449747360, 78899494720, 157798989440]

約数ペア:

[(1, 157798989440), (2, 78899494720), (4, 39449747360), (5, 31559797888), (8, 19724873680), (10, 15779898944), (16, 9862436840), (20, 7889949472), (32, 4931218420), (40, 3944974736), (41, 3848755840), (64, 2465609210), (80, 1972487368), (82, 1924377920), (128, 1232804605), (160, 986243684), (164, 962188960), (205, 769751168), (281, 561562240), (320, 493121842), (328, 481094480), (410, 384875584), (562, 280781120), (640, 246560921), (656, 240547240), (820, 192437792), (1124, 140390560), (1312, 120273620), (1405, 112312448), (1640, 96218896), (2248, 70195280), (2624, 60136810), (2810, 56156224), (3280, 48109448), (4496, 35097640), (5248, 30068405), (5620, 28078112), (6560, 24054724), (8992, 17548820), (11240, 14039056), (11521, 13696640), (13120, 12027362), (17984, 8774410), (21401, 7373440), (22480, 7019528), (23042, 6848320), (26240, 6013681), (35968, 4387205), (42802, 3686720), (44960, 3509764), (46084, 3424160), (57605, 2739328), (85604, 1843360), (89920, 1754882), (92168, 1712080), (107005, 1474688), (115210, 1369664), (171208, 921680), (179840, 877441), (184336, 856040), (214010, 737344), (230420, 684832), (342416, 460840), (368672, 428020)]