1023790720

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:642

約数の個数: 128

約数和(自身を含む): 2575981440

約数和(自身を除く): 1552190720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 157, 160, 184, 230, 314, 320, 368, 443, 460, 628, 640, 736, 785, 886, 920, 1256, 1472, 1570, 1772, 1840, 2215, 2512, 2944, 3140, 3544, 3611, 3680, 4430, 5024, 6280, 7088, 7222, 7360, 8860, 10048, 10189, 12560, 14176, 14444, 14720, 17720, 18055, 20096, 20378, 25120, 28352, 28888, 35440, 36110, 40756, 50240, 50945, 56704, 57776, 69551, 70880, 72220, 81512, 100480, 101890, 115552, 139102, 141760, 144440, 163024, 203780, 231104, 278204, 283520, 288880, 326048, 347755, 407560, 462208, 556408, 577760, 652096, 695510, 815120, 1112816, 1155520, 1304192, 1391020, 1599673, 1630240, 2225632, 2311040, 2782040, 3199346, 3260480, 4451264, 5564080, 6398692, 6520960, 7998365, 8902528, 11128160, 12797384, 15996730, 22256320, 25594768, 31993460, 44512640, 51189536, 63986920, 102379072, 127973840, 204758144, 255947680, 511895360, 1023790720]

約数ペア:

[(1, 1023790720), (2, 511895360), (4, 255947680), (5, 204758144), (8, 127973840), (10, 102379072), (16, 63986920), (20, 51189536), (23, 44512640), (32, 31993460), (40, 25594768), (46, 22256320), (64, 15996730), (80, 12797384), (92, 11128160), (115, 8902528), (128, 7998365), (157, 6520960), (160, 6398692), (184, 5564080), (230, 4451264), (314, 3260480), (320, 3199346), (368, 2782040), (443, 2311040), (460, 2225632), (628, 1630240), (640, 1599673), (736, 1391020), (785, 1304192), (886, 1155520), (920, 1112816), (1256, 815120), (1472, 695510), (1570, 652096), (1772, 577760), (1840, 556408), (2215, 462208), (2512, 407560), (2944, 347755), (3140, 326048), (3544, 288880), (3611, 283520), (3680, 278204), (4430, 231104), (5024, 203780), (6280, 163024), (7088, 144440), (7222, 141760), (7360, 139102), (8860, 115552), (10048, 101890), (10189, 100480), (12560, 81512), (14176, 72220), (14444, 70880), (14720, 69551), (17720, 57776), (18055, 56704), (20096, 50945), (20378, 50240), (25120, 40756), (28352, 36110), (28888, 35440)]