87789870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1171}}^1$

素因数の和:1215

約数の個数: 144

約数和(自身を含む): 281378448

約数和(自身を除く): 193588578

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, 1171, 1190, 1470, 1530, 1666, 1785, 2142, 2205, 2342, 2499, 3513, 3570, 4165, 4410, 4998, 5355, 5855, 7026, 7497, 8197, 8330, 10539, 10710, 11710, 12495, 14994, 16394, 17565, 19907, 21078, 24591, 24990, 35130, 37485, 39814, 40985, 49182, 52695, 57379, 59721, 73773, 74970, 81970, 99535, 105390, 114758, 119442, 122955, 139349, 147546, 172137, 179163, 199070, 245910, 278698, 286895, 298605, 344274, 358326, 368865, 418047, 516411, 573790, 597210, 696745, 737730, 836094, 860685, 895815, 975443, 1032822, 1254141, 1393490, 1721370, 1791630, 1950886, 2090235, 2508282, 2582055, 2926329, 4180470, 4877215, 5164110, 5852658, 6270705, 8778987, 9754430, 12541410, 14631645, 17557974, 29263290, 43894935, 87789870]

約数ペア:

[(1, 87789870), (2, 43894935), (3, 29263290), (5, 17557974), (6, 14631645), (7, 12541410), (9, 9754430), (10, 8778987), (14, 6270705), (15, 5852658), (17, 5164110), (18, 4877215), (21, 4180470), (30, 2926329), (34, 2582055), (35, 2508282), (42, 2090235), (45, 1950886), (49, 1791630), (51, 1721370), (63, 1393490), (70, 1254141), (85, 1032822), (90, 975443), (98, 895815), (102, 860685), (105, 836094), (119, 737730), (126, 696745), (147, 597210), (153, 573790), (170, 516411), (210, 418047), (238, 368865), (245, 358326), (255, 344274), (294, 298605), (306, 286895), (315, 278698), (357, 245910), (441, 199070), (490, 179163), (510, 172137), (595, 147546), (630, 139349), (714, 122955), (735, 119442), (765, 114758), (833, 105390), (882, 99535), (1071, 81970), (1171, 74970), (1190, 73773), (1470, 59721), (1530, 57379), (1666, 52695), (1785, 49182), (2142, 40985), (2205, 39814), (2342, 37485), (2499, 35130), (3513, 24990), (3570, 24591), (4165, 21078), (4410, 19907), (4998, 17565), (5355, 16394), (5855, 14994), (7026, 12495), (7497, 11710), (8197, 10710), (8330, 10539)]