74970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1$

素因数の和:44

約数の個数: 72

約数和(自身を含む): 240084

約数和(自身を除く): 165114

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 49, 51, 63, 70, 85, 90, 98, 102, 105, 119, 126, 147, 153, 170, 210, 238, 245, 255, 294, 306, 315, 357, 441, 490, 510, 595, 630, 714, 735, 765, 833, 882, 1071, 1190, 1470, 1530, 1666, 1785, 2142, 2205, 2499, 3570, 4165, 4410, 4998, 5355, 7497, 8330, 10710, 12495, 14994, 24990, 37485, 74970]

約数ペア:

[(1, 74970), (2, 37485), (3, 24990), (5, 14994), (6, 12495), (7, 10710), (9, 8330), (10, 7497), (14, 5355), (15, 4998), (17, 4410), (18, 4165), (21, 3570), (30, 2499), (34, 2205), (35, 2142), (42, 1785), (45, 1666), (49, 1530), (51, 1470), (63, 1190), (70, 1071), (85, 882), (90, 833), (98, 765), (102, 735), (105, 714), (119, 630), (126, 595), (147, 510), (153, 490), (170, 441), (210, 357), (238, 315), (245, 306), (255, 294)]