1961944740

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5581}}^1$

素因数の和:5640

約数の個数: 240

約数和(自身を含む): 7262137344

約数和(自身を除く): 5300192604

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 54, 60, 62, 63, 70, 81, 84, 90, 93, 105, 108, 124, 126, 135, 140, 155, 162, 180, 186, 189, 210, 217, 252, 270, 279, 310, 315, 324, 372, 378, 405, 420, 434, 465, 540, 558, 567, 620, 630, 651, 756, 810, 837, 868, 930, 945, 1085, 1116, 1134, 1260, 1302, 1395, 1620, 1674, 1860, 1890, 1953, 2170, 2268, 2511, 2604, 2790, 2835, 3255, 3348, 3780, 3906, 4185, 4340, 5022, 5580, 5581, 5670, 5859, 6510, 7812, 8370, 9765, 10044, 11162, 11340, 11718, 12555, 13020, 16740, 16743, 17577, 19530, 22324, 23436, 25110, 27905, 29295, 33486, 35154, 39060, 39067, 50220, 50229, 55810, 58590, 66972, 70308, 78134, 83715, 87885, 100458, 111620, 117180, 117201, 150687, 156268, 167430, 173011, 175770, 195335, 200916, 234402, 251145, 301374, 334860, 346022, 351540, 351603, 390670, 452061, 468804, 502290, 519033, 586005, 602748, 692044, 703206, 753435, 781340, 865055, 904122, 1004580, 1038066, 1054809, 1172010, 1211077, 1406412, 1506870, 1557099, 1730110, 1758015, 1808244, 2076132, 2109618, 2260305, 2344020, 2422154, 2595165, 3013740, 3114198, 3164427, 3460220, 3516030, 3633231, 4219236, 4520610, 4671297, 4844308, 5190330, 5274045, 6055385, 6228396, 6328854, 7032060, 7266462, 7785495, 9041220, 9342594, 10380660, 10548090, 10899693, 12110770, 12657708, 14013891, 14532924, 15570990, 15822135, 18166155, 18685188, 21096180, 21799386, 23356485, 24221540, 28027782, 31141980, 31644270, 32699079, 36332310, 43598772, 46712970, 54498465, 56055564, 63288540, 65398158, 70069455, 72664620, 93425940, 98097237, 108996930, 130796316, 140138910, 163495395, 196194474, 217993860, 280277820, 326990790, 392388948, 490486185, 653981580, 980972370, 1961944740]

約数ペア:

[(1, 1961944740), (2, 980972370), (3, 653981580), (4, 490486185), (5, 392388948), (6, 326990790), (7, 280277820), (9, 217993860), (10, 196194474), (12, 163495395), (14, 140138910), (15, 130796316), (18, 108996930), (20, 98097237), (21, 93425940), (27, 72664620), (28, 70069455), (30, 65398158), (31, 63288540), (35, 56055564), (36, 54498465), (42, 46712970), (45, 43598772), (54, 36332310), (60, 32699079), (62, 31644270), (63, 31141980), (70, 28027782), (81, 24221540), (84, 23356485), (90, 21799386), (93, 21096180), (105, 18685188), (108, 18166155), (124, 15822135), (126, 15570990), (135, 14532924), (140, 14013891), (155, 12657708), (162, 12110770), (180, 10899693), (186, 10548090), (189, 10380660), (210, 9342594), (217, 9041220), (252, 7785495), (270, 7266462), (279, 7032060), (310, 6328854), (315, 6228396), (324, 6055385), (372, 5274045), (378, 5190330), (405, 4844308), (420, 4671297), (434, 4520610), (465, 4219236), (540, 3633231), (558, 3516030), (567, 3460220), (620, 3164427), (630, 3114198), (651, 3013740), (756, 2595165), (810, 2422154), (837, 2344020), (868, 2260305), (930, 2109618), (945, 2076132), (1085, 1808244), (1116, 1758015), (1134, 1730110), (1260, 1557099), (1302, 1506870), (1395, 1406412), (1620, 1211077), (1674, 1172010), (1860, 1054809), (1890, 1038066), (1953, 1004580), (2170, 904122), (2268, 865055), (2511, 781340), (2604, 753435), (2790, 703206), (2835, 692044), (3255, 602748), (3348, 586005), (3780, 519033), (3906, 502290), (4185, 468804), (4340, 452061), (5022, 390670), (5580, 351603), (5581, 351540), (5670, 346022), (5859, 334860), (6510, 301374), (7812, 251145), (8370, 234402), (9765, 200916), (10044, 195335), (11162, 175770), (11340, 173011), (11718, 167430), (12555, 156268), (13020, 150687), (16740, 117201), (16743, 117180), (17577, 111620), (19530, 100458), (22324, 87885), (23436, 83715), (25110, 78134), (27905, 70308), (29295, 66972), (33486, 58590), (35154, 55810), (39060, 50229), (39067, 50220)]