64428140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2267}}^1$

素因数の和:2319

約数の個数: 72

約数和(自身を含む): 162887760

約数和(自身を除く): 98459620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2267, 2842, 4060, 4534, 5684, 7105, 9068, 11335, 14210, 15869, 22670, 28420, 31738, 45340, 63476, 65743, 79345, 111083, 131486, 158690, 222166, 262972, 317380, 328715, 444332, 460201, 555415, 657430, 920402, 1110830, 1314860, 1840804, 2221660, 2301005, 3221407, 4602010, 6442814, 9204020, 12885628, 16107035, 32214070, 64428140]

約数ペア:

[(1, 64428140), (2, 32214070), (4, 16107035), (5, 12885628), (7, 9204020), (10, 6442814), (14, 4602010), (20, 3221407), (28, 2301005), (29, 2221660), (35, 1840804), (49, 1314860), (58, 1110830), (70, 920402), (98, 657430), (116, 555415), (140, 460201), (145, 444332), (196, 328715), (203, 317380), (245, 262972), (290, 222166), (406, 158690), (490, 131486), (580, 111083), (812, 79345), (980, 65743), (1015, 63476), (1421, 45340), (2030, 31738), (2267, 28420), (2842, 22670), (4060, 15869), (4534, 14210), (5684, 11335), (7105, 9068)]