281860920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{653}}^1$

素因数の和:790

約数の個数: 192

約数和(自身を含む): 1010037600

約数和(自身を除く): 728176680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 109, 110, 120, 132, 165, 180, 198, 218, 220, 264, 327, 330, 360, 396, 436, 440, 495, 545, 653, 654, 660, 792, 872, 981, 990, 1090, 1199, 1306, 1308, 1320, 1635, 1959, 1962, 1980, 2180, 2398, 2612, 2616, 3265, 3270, 3597, 3918, 3924, 3960, 4360, 4796, 4905, 5224, 5877, 5995, 6530, 6540, 7183, 7194, 7836, 7848, 9592, 9795, 9810, 10791, 11754, 11990, 13060, 13080, 14366, 14388, 15672, 17985, 19590, 19620, 21549, 21582, 23508, 23980, 26120, 28732, 28776, 29385, 35915, 35970, 39180, 39240, 43098, 43164, 47016, 47960, 53955, 57464, 58770, 64647, 71177, 71830, 71940, 78360, 86196, 86328, 107745, 107910, 117540, 129294, 142354, 143660, 143880, 172392, 213531, 215490, 215820, 235080, 258588, 284708, 287320, 323235, 355885, 427062, 430980, 431640, 517176, 569416, 640593, 646470, 711770, 782947, 854124, 861960, 1067655, 1281186, 1292940, 1423540, 1565894, 1708248, 2135310, 2348841, 2562372, 2585880, 2847080, 3131788, 3202965, 3914735, 4270620, 4697682, 5124744, 6263576, 6405930, 7046523, 7829470, 8541240, 9395364, 11744205, 12811860, 14093046, 15658940, 18790728, 23488410, 25623720, 28186092, 31317880, 35232615, 46976820, 56372184, 70465230, 93953640, 140930460, 281860920]

約数ペア:

[(1, 281860920), (2, 140930460), (3, 93953640), (4, 70465230), (5, 56372184), (6, 46976820), (8, 35232615), (9, 31317880), (10, 28186092), (11, 25623720), (12, 23488410), (15, 18790728), (18, 15658940), (20, 14093046), (22, 12811860), (24, 11744205), (30, 9395364), (33, 8541240), (36, 7829470), (40, 7046523), (44, 6405930), (45, 6263576), (55, 5124744), (60, 4697682), (66, 4270620), (72, 3914735), (88, 3202965), (90, 3131788), (99, 2847080), (109, 2585880), (110, 2562372), (120, 2348841), (132, 2135310), (165, 1708248), (180, 1565894), (198, 1423540), (218, 1292940), (220, 1281186), (264, 1067655), (327, 861960), (330, 854124), (360, 782947), (396, 711770), (436, 646470), (440, 640593), (495, 569416), (545, 517176), (653, 431640), (654, 430980), (660, 427062), (792, 355885), (872, 323235), (981, 287320), (990, 284708), (1090, 258588), (1199, 235080), (1306, 215820), (1308, 215490), (1320, 213531), (1635, 172392), (1959, 143880), (1962, 143660), (1980, 142354), (2180, 129294), (2398, 117540), (2612, 107910), (2616, 107745), (3265, 86328), (3270, 86196), (3597, 78360), (3918, 71940), (3924, 71830), (3960, 71177), (4360, 64647), (4796, 58770), (4905, 57464), (5224, 53955), (5877, 47960), (5995, 47016), (6530, 43164), (6540, 43098), (7183, 39240), (7194, 39180), (7836, 35970), (7848, 35915), (9592, 29385), (9795, 28776), (9810, 28732), (10791, 26120), (11754, 23980), (11990, 23508), (13060, 21582), (13080, 21549), (14366, 19620), (14388, 19590), (15672, 17985)]