16896420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 54774720

約数和(自身を除く): 37878300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 43, 45, 59, 60, 74, 86, 90, 111, 118, 129, 148, 172, 177, 180, 185, 215, 222, 236, 258, 295, 333, 354, 370, 387, 430, 444, 516, 531, 555, 590, 645, 666, 708, 740, 774, 860, 885, 1062, 1110, 1180, 1290, 1332, 1548, 1591, 1665, 1770, 1935, 2124, 2183, 2220, 2537, 2580, 2655, 3182, 3330, 3540, 3870, 4366, 4773, 5074, 5310, 6364, 6549, 6660, 7611, 7740, 7955, 8732, 9546, 10148, 10620, 10915, 12685, 13098, 14319, 15222, 15910, 19092, 19647, 21830, 22833, 23865, 25370, 26196, 28638, 30444, 31820, 32745, 38055, 39294, 43660, 45666, 47730, 50740, 57276, 65490, 71595, 76110, 78588, 91332, 93869, 95460, 98235, 114165, 130980, 143190, 152220, 187738, 196470, 228330, 281607, 286380, 375476, 392940, 456660, 469345, 563214, 844821, 938690, 1126428, 1408035, 1689642, 1877380, 2816070, 3379284, 4224105, 5632140, 8448210, 16896420]

約数ペア:

[(1, 16896420), (2, 8448210), (3, 5632140), (4, 4224105), (5, 3379284), (6, 2816070), (9, 1877380), (10, 1689642), (12, 1408035), (15, 1126428), (18, 938690), (20, 844821), (30, 563214), (36, 469345), (37, 456660), (43, 392940), (45, 375476), (59, 286380), (60, 281607), (74, 228330), (86, 196470), (90, 187738), (111, 152220), (118, 143190), (129, 130980), (148, 114165), (172, 98235), (177, 95460), (180, 93869), (185, 91332), (215, 78588), (222, 76110), (236, 71595), (258, 65490), (295, 57276), (333, 50740), (354, 47730), (370, 45666), (387, 43660), (430, 39294), (444, 38055), (516, 32745), (531, 31820), (555, 30444), (590, 28638), (645, 26196), (666, 25370), (708, 23865), (740, 22833), (774, 21830), (860, 19647), (885, 19092), (1062, 15910), (1110, 15222), (1180, 14319), (1290, 13098), (1332, 12685), (1548, 10915), (1591, 10620), (1665, 10148), (1770, 9546), (1935, 8732), (2124, 7955), (2183, 7740), (2220, 7611), (2537, 6660), (2580, 6549), (2655, 6364), (3182, 5310), (3330, 5074), (3540, 4773), (3870, 4366)]