2080661120

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{431}}^1$

素因数の和:866

約数の個数: 128

約数和(自身を含む): 5261241600

約数和(自身を除く): 3180580480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 397, 431, 608, 640, 760, 794, 862, 1216, 1520, 1588, 1724, 1985, 2155, 2432, 3040, 3176, 3448, 3970, 4310, 6080, 6352, 6896, 7543, 7940, 8189, 8620, 12160, 12704, 13792, 15086, 15880, 16378, 17240, 25408, 27584, 30172, 31760, 32756, 34480, 37715, 40945, 50816, 55168, 60344, 63520, 65512, 68960, 75430, 81890, 120688, 127040, 131024, 137920, 150860, 163780, 171107, 241376, 254080, 262048, 275840, 301720, 327560, 342214, 482752, 524096, 603440, 655120, 684428, 855535, 965504, 1048192, 1206880, 1310240, 1368856, 1711070, 2413760, 2620480, 2737712, 3251033, 3422140, 4827520, 5240960, 5475424, 6502066, 6844280, 10950848, 13004132, 13688560, 16255165, 21901696, 26008264, 27377120, 32510330, 52016528, 54754240, 65020660, 104033056, 109508480, 130041320, 208066112, 260082640, 416132224, 520165280, 1040330560, 2080661120]

約数ペア:

[(1, 2080661120), (2, 1040330560), (4, 520165280), (5, 416132224), (8, 260082640), (10, 208066112), (16, 130041320), (19, 109508480), (20, 104033056), (32, 65020660), (38, 54754240), (40, 52016528), (64, 32510330), (76, 27377120), (80, 26008264), (95, 21901696), (128, 16255165), (152, 13688560), (160, 13004132), (190, 10950848), (304, 6844280), (320, 6502066), (380, 5475424), (397, 5240960), (431, 4827520), (608, 3422140), (640, 3251033), (760, 2737712), (794, 2620480), (862, 2413760), (1216, 1711070), (1520, 1368856), (1588, 1310240), (1724, 1206880), (1985, 1048192), (2155, 965504), (2432, 855535), (3040, 684428), (3176, 655120), (3448, 603440), (3970, 524096), (4310, 482752), (6080, 342214), (6352, 327560), (6896, 301720), (7543, 275840), (7940, 262048), (8189, 254080), (8620, 241376), (12160, 171107), (12704, 163780), (13792, 150860), (15086, 137920), (15880, 131024), (16378, 127040), (17240, 120688), (25408, 81890), (27584, 75430), (30172, 68960), (31760, 65512), (32756, 63520), (34480, 60344), (37715, 55168), (40945, 50816)]