81183570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 221405184

約数和(自身を除く): 140221614

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 47, 65, 78, 86, 94, 103, 129, 130, 141, 195, 206, 215, 235, 258, 282, 309, 390, 430, 470, 515, 559, 611, 618, 645, 705, 1030, 1118, 1222, 1290, 1339, 1410, 1545, 1677, 1833, 2021, 2678, 2795, 3055, 3090, 3354, 3666, 4017, 4042, 4429, 4841, 5590, 6063, 6110, 6695, 8034, 8385, 8858, 9165, 9682, 10105, 12126, 13287, 13390, 14523, 16770, 18330, 20085, 20210, 22145, 24205, 26273, 26574, 29046, 30315, 40170, 44290, 48410, 52546, 57577, 60630, 62933, 66435, 72615, 78819, 115154, 125866, 131365, 132870, 145230, 157638, 172731, 188799, 208163, 262730, 287885, 314665, 345462, 377598, 394095, 416326, 575770, 624489, 629330, 788190, 863655, 943995, 1040815, 1248978, 1727310, 1887990, 2081630, 2706119, 3122445, 5412238, 6244890, 8118357, 13530595, 16236714, 27061190, 40591785, 81183570]

約数ペア:

[(1, 81183570), (2, 40591785), (3, 27061190), (5, 16236714), (6, 13530595), (10, 8118357), (13, 6244890), (15, 5412238), (26, 3122445), (30, 2706119), (39, 2081630), (43, 1887990), (47, 1727310), (65, 1248978), (78, 1040815), (86, 943995), (94, 863655), (103, 788190), (129, 629330), (130, 624489), (141, 575770), (195, 416326), (206, 394095), (215, 377598), (235, 345462), (258, 314665), (282, 287885), (309, 262730), (390, 208163), (430, 188799), (470, 172731), (515, 157638), (559, 145230), (611, 132870), (618, 131365), (645, 125866), (705, 115154), (1030, 78819), (1118, 72615), (1222, 66435), (1290, 62933), (1339, 60630), (1410, 57577), (1545, 52546), (1677, 48410), (1833, 44290), (2021, 40170), (2678, 30315), (2795, 29046), (3055, 26574), (3090, 26273), (3354, 24205), (3666, 22145), (4017, 20210), (4042, 20085), (4429, 18330), (4841, 16770), (5590, 14523), (6063, 13390), (6110, 13287), (6695, 12126), (8034, 10105), (8385, 9682), (8858, 9165)]