28965120

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 97621440

約数和(自身を除く): 68656320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 256, 285, 304, 320, 380, 384, 397, 456, 480, 570, 608, 640, 760, 768, 794, 912, 960, 1140, 1191, 1216, 1280, 1520, 1588, 1824, 1920, 1985, 2280, 2382, 2432, 3040, 3176, 3648, 3840, 3970, 4560, 4764, 4864, 5955, 6080, 6352, 7296, 7543, 7940, 9120, 9528, 11910, 12160, 12704, 14592, 15086, 15880, 18240, 19056, 22629, 23820, 24320, 25408, 30172, 31760, 36480, 37715, 38112, 45258, 47640, 50816, 60344, 63520, 72960, 75430, 76224, 90516, 95280, 101632, 113145, 120688, 127040, 150860, 152448, 181032, 190560, 226290, 241376, 254080, 301720, 304896, 362064, 381120, 452580, 482752, 508160, 603440, 724128, 762240, 905160, 965504, 1206880, 1448256, 1524480, 1810320, 1931008, 2413760, 2896512, 3620640, 4827520, 5793024, 7241280, 9655040, 14482560, 28965120]

約数ペア:

[(1, 28965120), (2, 14482560), (3, 9655040), (4, 7241280), (5, 5793024), (6, 4827520), (8, 3620640), (10, 2896512), (12, 2413760), (15, 1931008), (16, 1810320), (19, 1524480), (20, 1448256), (24, 1206880), (30, 965504), (32, 905160), (38, 762240), (40, 724128), (48, 603440), (57, 508160), (60, 482752), (64, 452580), (76, 381120), (80, 362064), (95, 304896), (96, 301720), (114, 254080), (120, 241376), (128, 226290), (152, 190560), (160, 181032), (190, 152448), (192, 150860), (228, 127040), (240, 120688), (256, 113145), (285, 101632), (304, 95280), (320, 90516), (380, 76224), (384, 75430), (397, 72960), (456, 63520), (480, 60344), (570, 50816), (608, 47640), (640, 45258), (760, 38112), (768, 37715), (794, 36480), (912, 31760), (960, 30172), (1140, 25408), (1191, 24320), (1216, 23820), (1280, 22629), (1520, 19056), (1588, 18240), (1824, 15880), (1920, 15086), (1985, 14592), (2280, 12704), (2382, 12160), (2432, 11910), (3040, 9528), (3176, 9120), (3648, 7940), (3840, 7543), (3970, 7296), (4560, 6352), (4764, 6080), (4864, 5955)]