78338240

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:250

約数の個数: 112

約数和(自身を含む): 197510400

約数和(自身を除く): 119172160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 53, 62, 64, 80, 106, 124, 149, 155, 160, 212, 248, 265, 298, 310, 320, 424, 496, 530, 596, 620, 745, 848, 992, 1060, 1192, 1240, 1490, 1643, 1696, 1984, 2120, 2384, 2480, 2980, 3286, 3392, 4240, 4619, 4768, 4960, 5960, 6572, 7897, 8215, 8480, 9238, 9536, 9920, 11920, 13144, 15794, 16430, 16960, 18476, 23095, 23840, 26288, 31588, 32860, 36952, 39485, 46190, 47680, 52576, 63176, 65720, 73904, 78970, 92380, 105152, 126352, 131440, 147808, 157940, 184760, 244807, 252704, 262880, 295616, 315880, 369520, 489614, 505408, 525760, 631760, 739040, 979228, 1224035, 1263520, 1478080, 1958456, 2448070, 2527040, 3916912, 4896140, 7833824, 9792280, 15667648, 19584560, 39169120, 78338240]

約数ペア:

[(1, 78338240), (2, 39169120), (4, 19584560), (5, 15667648), (8, 9792280), (10, 7833824), (16, 4896140), (20, 3916912), (31, 2527040), (32, 2448070), (40, 1958456), (53, 1478080), (62, 1263520), (64, 1224035), (80, 979228), (106, 739040), (124, 631760), (149, 525760), (155, 505408), (160, 489614), (212, 369520), (248, 315880), (265, 295616), (298, 262880), (310, 252704), (320, 244807), (424, 184760), (496, 157940), (530, 147808), (596, 131440), (620, 126352), (745, 105152), (848, 92380), (992, 78970), (1060, 73904), (1192, 65720), (1240, 63176), (1490, 52576), (1643, 47680), (1696, 46190), (1984, 39485), (2120, 36952), (2384, 32860), (2480, 31588), (2980, 26288), (3286, 23840), (3392, 23095), (4240, 18476), (4619, 16960), (4768, 16430), (4960, 15794), (5960, 13144), (6572, 11920), (7897, 9920), (8215, 9536), (8480, 9238)]