73708020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:254

約数の個数: 144

約数和(自身を含む): 233513280

約数和(自身を除く): 159805260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 89, 90, 107, 129, 172, 178, 180, 214, 215, 258, 267, 321, 356, 387, 428, 430, 445, 516, 534, 535, 642, 645, 774, 801, 860, 890, 963, 1068, 1070, 1284, 1290, 1335, 1548, 1602, 1605, 1780, 1926, 1935, 2140, 2580, 2670, 3204, 3210, 3827, 3852, 3870, 4005, 4601, 4815, 5340, 6420, 7654, 7740, 8010, 9202, 9523, 9630, 11481, 13803, 15308, 16020, 18404, 19046, 19135, 19260, 22962, 23005, 27606, 28569, 34443, 38092, 38270, 41409, 45924, 46010, 47615, 55212, 57138, 57405, 68886, 69015, 76540, 82818, 85707, 92020, 95230, 114276, 114810, 137772, 138030, 142845, 165636, 171414, 172215, 190460, 207045, 229620, 276060, 285690, 342828, 344430, 409489, 414090, 428535, 571380, 688860, 818978, 828180, 857070, 1228467, 1637956, 1714140, 2047445, 2456934, 3685401, 4094890, 4913868, 6142335, 7370802, 8189780, 12284670, 14741604, 18427005, 24569340, 36854010, 73708020]

約数ペア:

[(1, 73708020), (2, 36854010), (3, 24569340), (4, 18427005), (5, 14741604), (6, 12284670), (9, 8189780), (10, 7370802), (12, 6142335), (15, 4913868), (18, 4094890), (20, 3685401), (30, 2456934), (36, 2047445), (43, 1714140), (45, 1637956), (60, 1228467), (86, 857070), (89, 828180), (90, 818978), (107, 688860), (129, 571380), (172, 428535), (178, 414090), (180, 409489), (214, 344430), (215, 342828), (258, 285690), (267, 276060), (321, 229620), (356, 207045), (387, 190460), (428, 172215), (430, 171414), (445, 165636), (516, 142845), (534, 138030), (535, 137772), (642, 114810), (645, 114276), (774, 95230), (801, 92020), (860, 85707), (890, 82818), (963, 76540), (1068, 69015), (1070, 68886), (1284, 57405), (1290, 57138), (1335, 55212), (1548, 47615), (1602, 46010), (1605, 45924), (1780, 41409), (1926, 38270), (1935, 38092), (2140, 34443), (2580, 28569), (2670, 27606), (3204, 23005), (3210, 22962), (3827, 19260), (3852, 19135), (3870, 19046), (4005, 18404), (4601, 16020), (4815, 15308), (5340, 13803), (6420, 11481), (7654, 9630), (7740, 9523), (8010, 9202)]