198561510

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3389}}^1$

素因数の和:3443

約数の個数: 128

約数和(自身を含む): 624844800

約数和(自身を除く): 426283290

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 31, 35, 42, 45, 54, 62, 63, 70, 90, 93, 105, 126, 135, 155, 186, 189, 210, 217, 270, 279, 310, 315, 378, 434, 465, 558, 630, 651, 837, 930, 945, 1085, 1302, 1395, 1674, 1890, 1953, 2170, 2790, 3255, 3389, 3906, 4185, 5859, 6510, 6778, 8370, 9765, 10167, 11718, 16945, 19530, 20334, 23723, 29295, 30501, 33890, 47446, 50835, 58590, 61002, 71169, 91503, 101670, 105059, 118615, 142338, 152505, 183006, 210118, 213507, 237230, 305010, 315177, 355845, 427014, 457515, 525295, 630354, 640521, 711690, 735413, 915030, 945531, 1050590, 1067535, 1281042, 1470826, 1575885, 1891062, 2135070, 2206239, 2836593, 3151770, 3202605, 3677065, 4412478, 4727655, 5673186, 6405210, 6618717, 7354130, 9455310, 11031195, 13237434, 14182965, 19856151, 22062390, 28365930, 33093585, 39712302, 66187170, 99280755, 198561510]

約数ペア:

[(1, 198561510), (2, 99280755), (3, 66187170), (5, 39712302), (6, 33093585), (7, 28365930), (9, 22062390), (10, 19856151), (14, 14182965), (15, 13237434), (18, 11031195), (21, 9455310), (27, 7354130), (30, 6618717), (31, 6405210), (35, 5673186), (42, 4727655), (45, 4412478), (54, 3677065), (62, 3202605), (63, 3151770), (70, 2836593), (90, 2206239), (93, 2135070), (105, 1891062), (126, 1575885), (135, 1470826), (155, 1281042), (186, 1067535), (189, 1050590), (210, 945531), (217, 915030), (270, 735413), (279, 711690), (310, 640521), (315, 630354), (378, 525295), (434, 457515), (465, 427014), (558, 355845), (630, 315177), (651, 305010), (837, 237230), (930, 213507), (945, 210118), (1085, 183006), (1302, 152505), (1395, 142338), (1674, 118615), (1890, 105059), (1953, 101670), (2170, 91503), (2790, 71169), (3255, 61002), (3389, 58590), (3906, 50835), (4185, 47446), (5859, 33890), (6510, 30501), (6778, 29295), (8370, 23723), (9765, 20334), (10167, 19530), (11718, 16945)]