71644860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{8123}}^1$

素因数の和:8152

約数の個数: 108

約数和(自身を含む): 252835128

約数和(自身を除く): 181190268

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8123, 8820, 16246, 24369, 32492, 40615, 48738, 56861, 73107, 81230, 97476, 113722, 121845, 146214, 162460, 170583, 227444, 243690, 284305, 292428, 341166, 365535, 398027, 487380, 511749, 568610, 682332, 731070, 796054, 852915, 1023498, 1137220, 1194081, 1462140, 1592108, 1705830, 1990135, 2046996, 2388162, 2558745, 3411660, 3582243, 3980270, 4776324, 5117490, 5970405, 7164486, 7960540, 10234980, 11940810, 14328972, 17911215, 23881620, 35822430, 71644860]

約数ペア:

[(1, 71644860), (2, 35822430), (3, 23881620), (4, 17911215), (5, 14328972), (6, 11940810), (7, 10234980), (9, 7960540), (10, 7164486), (12, 5970405), (14, 5117490), (15, 4776324), (18, 3980270), (20, 3582243), (21, 3411660), (28, 2558745), (30, 2388162), (35, 2046996), (36, 1990135), (42, 1705830), (45, 1592108), (49, 1462140), (60, 1194081), (63, 1137220), (70, 1023498), (84, 852915), (90, 796054), (98, 731070), (105, 682332), (126, 568610), (140, 511749), (147, 487380), (180, 398027), (196, 365535), (210, 341166), (245, 292428), (252, 284305), (294, 243690), (315, 227444), (420, 170583), (441, 162460), (490, 146214), (588, 121845), (630, 113722), (735, 97476), (882, 81230), (980, 73107), (1260, 56861), (1470, 48738), (1764, 40615), (2205, 32492), (2940, 24369), (4410, 16246), (8123, 8820)]