180325760

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 455328000

約数和(自身を除く): 275002240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 64, 80, 122, 124, 128, 149, 155, 160, 244, 248, 298, 305, 310, 320, 488, 496, 596, 610, 620, 640, 745, 976, 992, 1192, 1220, 1240, 1490, 1891, 1952, 1984, 2384, 2440, 2480, 2980, 3782, 3904, 3968, 4619, 4768, 4880, 4960, 5960, 7564, 7808, 9089, 9238, 9455, 9536, 9760, 9920, 11920, 15128, 18178, 18476, 18910, 19072, 19520, 19840, 23095, 23840, 30256, 36356, 36952, 37820, 39040, 45445, 46190, 47680, 60512, 72712, 73904, 75640, 90890, 92380, 95360, 121024, 145424, 147808, 151280, 181780, 184760, 242048, 281759, 290848, 295616, 302560, 363560, 369520, 563518, 581696, 591232, 605120, 727120, 739040, 1127036, 1163392, 1210240, 1408795, 1454240, 1478080, 2254072, 2817590, 2908480, 2956160, 4508144, 5635180, 5816960, 9016288, 11270360, 18032576, 22540720, 36065152, 45081440, 90162880, 180325760]

約数ペア:

[(1, 180325760), (2, 90162880), (4, 45081440), (5, 36065152), (8, 22540720), (10, 18032576), (16, 11270360), (20, 9016288), (31, 5816960), (32, 5635180), (40, 4508144), (61, 2956160), (62, 2908480), (64, 2817590), (80, 2254072), (122, 1478080), (124, 1454240), (128, 1408795), (149, 1210240), (155, 1163392), (160, 1127036), (244, 739040), (248, 727120), (298, 605120), (305, 591232), (310, 581696), (320, 563518), (488, 369520), (496, 363560), (596, 302560), (610, 295616), (620, 290848), (640, 281759), (745, 242048), (976, 184760), (992, 181780), (1192, 151280), (1220, 147808), (1240, 145424), (1490, 121024), (1891, 95360), (1952, 92380), (1984, 90890), (2384, 75640), (2440, 73904), (2480, 72712), (2980, 60512), (3782, 47680), (3904, 46190), (3968, 45445), (4619, 39040), (4768, 37820), (4880, 36952), (4960, 36356), (5960, 30256), (7564, 23840), (7808, 23095), (9089, 19840), (9238, 19520), (9455, 19072), (9536, 18910), (9760, 18476), (9920, 18178), (11920, 15128)]