71971020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:412

約数の個数: 144

約数和(自身を含む): 240694272

約数和(自身を除く): 168723252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 163, 165, 180, 198, 220, 223, 326, 330, 396, 446, 489, 495, 652, 660, 669, 815, 892, 978, 990, 1115, 1338, 1467, 1630, 1793, 1956, 1980, 2007, 2230, 2445, 2453, 2676, 2934, 3260, 3345, 3586, 4014, 4460, 4890, 4906, 5379, 5868, 6690, 7172, 7335, 7359, 8028, 8965, 9780, 9812, 10035, 10758, 12265, 13380, 14670, 14718, 16137, 17930, 20070, 21516, 22077, 24530, 26895, 29340, 29436, 32274, 35860, 36349, 36795, 40140, 44154, 49060, 53790, 64548, 72698, 73590, 80685, 88308, 107580, 109047, 110385, 145396, 147180, 161370, 181745, 218094, 220770, 322740, 327141, 363490, 399839, 436188, 441540, 545235, 654282, 726980, 799678, 1090470, 1199517, 1308564, 1599356, 1635705, 1999195, 2180940, 2399034, 3271410, 3598551, 3998390, 4798068, 5997585, 6542820, 7197102, 7996780, 11995170, 14394204, 17992755, 23990340, 35985510, 71971020]

約数ペア:

[(1, 71971020), (2, 35985510), (3, 23990340), (4, 17992755), (5, 14394204), (6, 11995170), (9, 7996780), (10, 7197102), (11, 6542820), (12, 5997585), (15, 4798068), (18, 3998390), (20, 3598551), (22, 3271410), (30, 2399034), (33, 2180940), (36, 1999195), (44, 1635705), (45, 1599356), (55, 1308564), (60, 1199517), (66, 1090470), (90, 799678), (99, 726980), (110, 654282), (132, 545235), (163, 441540), (165, 436188), (180, 399839), (198, 363490), (220, 327141), (223, 322740), (326, 220770), (330, 218094), (396, 181745), (446, 161370), (489, 147180), (495, 145396), (652, 110385), (660, 109047), (669, 107580), (815, 88308), (892, 80685), (978, 73590), (990, 72698), (1115, 64548), (1338, 53790), (1467, 49060), (1630, 44154), (1793, 40140), (1956, 36795), (1980, 36349), (2007, 35860), (2230, 32274), (2445, 29436), (2453, 29340), (2676, 26895), (2934, 24530), (3260, 22077), (3345, 21516), (3586, 20070), (4014, 17930), (4460, 16137), (4890, 14718), (4906, 14670), (5379, 13380), (5868, 12265), (6690, 10758), (7172, 10035), (7335, 9812), (7359, 9780), (8028, 8965)]