1780498816

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:424

約数の個数: 128

約数和(自身を含む): 3941280000

約数和(自身を除く): 2160781184

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 128, 139, 152, 184, 229, 278, 304, 368, 437, 458, 556, 608, 736, 874, 916, 1112, 1216, 1472, 1748, 1832, 2224, 2432, 2641, 2944, 3197, 3496, 3664, 4351, 4448, 5267, 5282, 6394, 6992, 7328, 8702, 8896, 10534, 10564, 12788, 13984, 14656, 17404, 17792, 21068, 21128, 25576, 27968, 29312, 31831, 34808, 42136, 42256, 51152, 55936, 60743, 63662, 69616, 84272, 84512, 100073, 102304, 121486, 127324, 139232, 168544, 169024, 200146, 204608, 242972, 254648, 278464, 337088, 338048, 400292, 409216, 485944, 509296, 556928, 604789, 674176, 732113, 800584, 971888, 1018592, 1209578, 1464226, 1601168, 1943776, 2037184, 2419156, 2928452, 3202336, 3887552, 4074368, 4838312, 5856904, 6404672, 7775104, 9676624, 11713808, 12809344, 13910147, 19353248, 23427616, 27820294, 38706496, 46855232, 55640588, 77412992, 93710464, 111281176, 222562352, 445124704, 890249408, 1780498816]

約数ペア:

[(1, 1780498816), (2, 890249408), (4, 445124704), (8, 222562352), (16, 111281176), (19, 93710464), (23, 77412992), (32, 55640588), (38, 46855232), (46, 38706496), (64, 27820294), (76, 23427616), (92, 19353248), (128, 13910147), (139, 12809344), (152, 11713808), (184, 9676624), (229, 7775104), (278, 6404672), (304, 5856904), (368, 4838312), (437, 4074368), (458, 3887552), (556, 3202336), (608, 2928452), (736, 2419156), (874, 2037184), (916, 1943776), (1112, 1601168), (1216, 1464226), (1472, 1209578), (1748, 1018592), (1832, 971888), (2224, 800584), (2432, 732113), (2641, 674176), (2944, 604789), (3197, 556928), (3496, 509296), (3664, 485944), (4351, 409216), (4448, 400292), (5267, 338048), (5282, 337088), (6394, 278464), (6992, 254648), (7328, 242972), (8702, 204608), (8896, 200146), (10534, 169024), (10564, 168544), (12788, 139232), (13984, 127324), (14656, 121486), (17404, 102304), (17792, 100073), (21068, 84512), (21128, 84272), (25576, 69616), (27968, 63662), (29312, 60743), (31831, 55936), (34808, 51152), (42136, 42256)]