211275540

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:660

約数の個数: 240

約数和(自身を含む): 783197184

約数和(自身を除く): 571921644

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, 601, 620, 630, 651, 756, 810, 837, 868, 930, 945, 1085, 1116, 1134, 1202, 1260, 1302, 1395, 1620, 1674, 1803, 1860, 1890, 1953, 2170, 2268, 2404, 2511, 2604, 2790, 2835, 3005, 3255, 3348, 3606, 3780, 3906, 4185, 4207, 4340, 5022, 5409, 5580, 5670, 5859, 6010, 6510, 7212, 7812, 8370, 8414, 9015, 9765, 10044, 10818, 11340, 11718, 12020, 12555, 12621, 13020, 16227, 16740, 16828, 17577, 18030, 18631, 19530, 21035, 21636, 23436, 25110, 25242, 27045, 29295, 32454, 35154, 36060, 37262, 37863, 39060, 42070, 48681, 50220, 50484, 54090, 55893, 58590, 63105, 64908, 70308, 74524, 75726, 81135, 84140, 87885, 93155, 97362, 108180, 111786, 113589, 117180, 126210, 130417, 151452, 162270, 167679, 175770, 186310, 189315, 194724, 223572, 227178, 243405, 252420, 260834, 279465, 324540, 335358, 340767, 351540, 372620, 378630, 391251, 454356, 486810, 503037, 521668, 558930, 567945, 652085, 670716, 681534, 757260, 782502, 838395, 973620, 1006074, 1117860, 1135890, 1173753, 1304170, 1363068, 1509111, 1565004, 1676790, 1703835, 1956255, 2012148, 2271780, 2347506, 2515185, 2608340, 3018222, 3353580, 3407670, 3521259, 3912510, 4695012, 5030370, 5868765, 6036444, 6815340, 7042518, 7545555, 7825020, 10060740, 10563777, 11737530, 14085036, 15091110, 17606295, 21127554, 23475060, 30182220, 35212590, 42255108, 52818885, 70425180, 105637770, 211275540]

約数ペア:

[(1, 211275540), (2, 105637770), (3, 70425180), (4, 52818885), (5, 42255108), (6, 35212590), (7, 30182220), (9, 23475060), (10, 21127554), (12, 17606295), (14, 15091110), (15, 14085036), (18, 11737530), (20, 10563777), (21, 10060740), (27, 7825020), (28, 7545555), (30, 7042518), (31, 6815340), (35, 6036444), (36, 5868765), (42, 5030370), (45, 4695012), (54, 3912510), (60, 3521259), (62, 3407670), (63, 3353580), (70, 3018222), (81, 2608340), (84, 2515185), (90, 2347506), (93, 2271780), (105, 2012148), (108, 1956255), (124, 1703835), (126, 1676790), (135, 1565004), (140, 1509111), (155, 1363068), (162, 1304170), (180, 1173753), (186, 1135890), (189, 1117860), (210, 1006074), (217, 973620), (252, 838395), (270, 782502), (279, 757260), (310, 681534), (315, 670716), (324, 652085), (372, 567945), (378, 558930), (405, 521668), (420, 503037), (434, 486810), (465, 454356), (540, 391251), (558, 378630), (567, 372620), (601, 351540), (620, 340767), (630, 335358), (651, 324540), (756, 279465), (810, 260834), (837, 252420), (868, 243405), (930, 227178), (945, 223572), (1085, 194724), (1116, 189315), (1134, 186310), (1202, 175770), (1260, 167679), (1302, 162270), (1395, 151452), (1620, 130417), (1674, 126210), (1803, 117180), (1860, 113589), (1890, 111786), (1953, 108180), (2170, 97362), (2268, 93155), (2404, 87885), (2511, 84140), (2604, 81135), (2790, 75726), (2835, 74524), (3005, 70308), (3255, 64908), (3348, 63105), (3606, 58590), (3780, 55893), (3906, 54090), (4185, 50484), (4207, 50220), (4340, 48681), (5022, 42070), (5409, 39060), (5580, 37863), (5670, 37262), (5859, 36060), (6010, 35154), (6510, 32454), (7212, 29295), (7812, 27045), (8370, 25242), (8414, 25110), (9015, 23436), (9765, 21636), (10044, 21035), (10818, 19530), (11340, 18631), (11718, 18030), (12020, 17577), (12555, 16828), (12621, 16740), (13020, 16227)]