201331980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:282

約数の個数: 240

約数和(自身を含む): 689525760

約数和(自身を除く): 488193780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 31, 36, 38, 45, 54, 57, 60, 62, 76, 81, 90, 93, 95, 108, 114, 124, 135, 155, 162, 171, 180, 186, 190, 211, 228, 270, 279, 285, 310, 324, 342, 372, 380, 405, 422, 465, 513, 540, 558, 570, 589, 620, 633, 684, 810, 837, 844, 855, 930, 1026, 1055, 1116, 1140, 1178, 1266, 1395, 1539, 1620, 1674, 1710, 1767, 1860, 1899, 2052, 2110, 2356, 2511, 2532, 2565, 2790, 2945, 3078, 3165, 3348, 3420, 3534, 3798, 4009, 4185, 4220, 5022, 5130, 5301, 5580, 5697, 5890, 6156, 6330, 6541, 7068, 7596, 7695, 8018, 8370, 8835, 9495, 10044, 10260, 10602, 11394, 11780, 12027, 12555, 12660, 13082, 15390, 15903, 16036, 16740, 17091, 17670, 18990, 19623, 20045, 21204, 22788, 24054, 25110, 26164, 26505, 28485, 30780, 31806, 32705, 34182, 35340, 36081, 37980, 39246, 40090, 47709, 48108, 50220, 53010, 56970, 58869, 60135, 63612, 65410, 68364, 72162, 78492, 79515, 80180, 85455, 95418, 98115, 106020, 108243, 113940, 117738, 120270, 124279, 130820, 144324, 159030, 170910, 176607, 180405, 190836, 196230, 216486, 235476, 238545, 240540, 248558, 294345, 318060, 324729, 341820, 353214, 360810, 372837, 392460, 432972, 477090, 497116, 529821, 541215, 588690, 621395, 649458, 706428, 721620, 745674, 883035, 954180, 1059642, 1082430, 1118511, 1177380, 1242790, 1298916, 1491348, 1623645, 1766070, 1864185, 2119284, 2164860, 2237022, 2485580, 2649105, 3247290, 3355533, 3532140, 3728370, 4474044, 5298210, 5592555, 6494580, 6711066, 7456740, 10066599, 10596420, 11185110, 13422132, 16777665, 20133198, 22370220, 33555330, 40266396, 50332995, 67110660, 100665990, 201331980]

約数ペア:

[(1, 201331980), (2, 100665990), (3, 67110660), (4, 50332995), (5, 40266396), (6, 33555330), (9, 22370220), (10, 20133198), (12, 16777665), (15, 13422132), (18, 11185110), (19, 10596420), (20, 10066599), (27, 7456740), (30, 6711066), (31, 6494580), (36, 5592555), (38, 5298210), (45, 4474044), (54, 3728370), (57, 3532140), (60, 3355533), (62, 3247290), (76, 2649105), (81, 2485580), (90, 2237022), (93, 2164860), (95, 2119284), (108, 1864185), (114, 1766070), (124, 1623645), (135, 1491348), (155, 1298916), (162, 1242790), (171, 1177380), (180, 1118511), (186, 1082430), (190, 1059642), (211, 954180), (228, 883035), (270, 745674), (279, 721620), (285, 706428), (310, 649458), (324, 621395), (342, 588690), (372, 541215), (380, 529821), (405, 497116), (422, 477090), (465, 432972), (513, 392460), (540, 372837), (558, 360810), (570, 353214), (589, 341820), (620, 324729), (633, 318060), (684, 294345), (810, 248558), (837, 240540), (844, 238545), (855, 235476), (930, 216486), (1026, 196230), (1055, 190836), (1116, 180405), (1140, 176607), (1178, 170910), (1266, 159030), (1395, 144324), (1539, 130820), (1620, 124279), (1674, 120270), (1710, 117738), (1767, 113940), (1860, 108243), (1899, 106020), (2052, 98115), (2110, 95418), (2356, 85455), (2511, 80180), (2532, 79515), (2565, 78492), (2790, 72162), (2945, 68364), (3078, 65410), (3165, 63612), (3348, 60135), (3420, 58869), (3534, 56970), (3798, 53010), (4009, 50220), (4185, 48108), (4220, 47709), (5022, 40090), (5130, 39246), (5301, 37980), (5580, 36081), (5697, 35340), (5890, 34182), (6156, 32705), (6330, 31806), (6541, 30780), (7068, 28485), (7596, 26505), (7695, 26164), (8018, 25110), (8370, 24054), (8835, 22788), (9495, 21204), (10044, 20045), (10260, 19623), (10602, 18990), (11394, 17670), (11780, 17091), (12027, 16740), (12555, 16036), (12660, 15903), (13082, 15390)]