256102080

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20521}}^1$

素因数の和:20554

約数の個数: 112

約数和(自身を含む): 875714784

約数和(自身を除く): 619612704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 20521, 41042, 61563, 82084, 102605, 123126, 164168, 205210, 246252, 266773, 307815, 328336, 410420, 492504, 533546, 615630, 656672, 800319, 820840, 985008, 1067092, 1231260, 1313344, 1333865, 1600638, 1641680, 1970016, 2134184, 2462520, 2667730, 3201276, 3283360, 3940032, 4001595, 4268368, 4925040, 5335460, 6402552, 6566720, 8003190, 8536736, 9850080, 10670920, 12805104, 16006380, 17073472, 19700160, 21341840, 25610208, 32012760, 42683680, 51220416, 64025520, 85367360, 128051040, 256102080]

約数ペア:

[(1, 256102080), (2, 128051040), (3, 85367360), (4, 64025520), (5, 51220416), (6, 42683680), (8, 32012760), (10, 25610208), (12, 21341840), (13, 19700160), (15, 17073472), (16, 16006380), (20, 12805104), (24, 10670920), (26, 9850080), (30, 8536736), (32, 8003190), (39, 6566720), (40, 6402552), (48, 5335460), (52, 4925040), (60, 4268368), (64, 4001595), (65, 3940032), (78, 3283360), (80, 3201276), (96, 2667730), (104, 2462520), (120, 2134184), (130, 1970016), (156, 1641680), (160, 1600638), (192, 1333865), (195, 1313344), (208, 1231260), (240, 1067092), (260, 985008), (312, 820840), (320, 800319), (390, 656672), (416, 615630), (480, 533546), (520, 492504), (624, 410420), (780, 328336), (832, 307815), (960, 266773), (1040, 246252), (1248, 205210), (1560, 164168), (2080, 123126), (2496, 102605), (3120, 82084), (4160, 61563), (6240, 41042), (12480, 20521)]