61787880

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{743}}^1$

素因数の和:781

約数の個数: 256

約数和(自身を含む): 257126400

約数和(自身を除く): 195338520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 108, 110, 120, 126, 132, 135, 140, 154, 165, 168, 180, 189, 198, 210, 216, 220, 231, 252, 264, 270, 280, 297, 308, 315, 330, 360, 378, 385, 396, 420, 440, 462, 495, 504, 540, 594, 616, 630, 660, 693, 743, 756, 770, 792, 840, 924, 945, 990, 1080, 1155, 1188, 1260, 1320, 1386, 1485, 1486, 1512, 1540, 1848, 1890, 1980, 2079, 2229, 2310, 2376, 2520, 2772, 2970, 2972, 3080, 3465, 3715, 3780, 3960, 4158, 4458, 4620, 5201, 5544, 5940, 5944, 6687, 6930, 7430, 7560, 8173, 8316, 8916, 9240, 10395, 10402, 11145, 11880, 13374, 13860, 14860, 15603, 16346, 16632, 17832, 20061, 20790, 20804, 22290, 24519, 26005, 26748, 27720, 29720, 31206, 32692, 33435, 40122, 40865, 41580, 41608, 44580, 46809, 49038, 52010, 53496, 57211, 62412, 65384, 66870, 73557, 78015, 80244, 81730, 83160, 89160, 93618, 98076, 100305, 104020, 114422, 122595, 124824, 133740, 140427, 147114, 156030, 160488, 163460, 171633, 187236, 196152, 200610, 208040, 220671, 228844, 234045, 245190, 267480, 280854, 286055, 294228, 312060, 326920, 343266, 367785, 374472, 401220, 441342, 457688, 468090, 490380, 514899, 561708, 572110, 588456, 624120, 686532, 702135, 735570, 802440, 858165, 882684, 936180, 980760, 1029798, 1103355, 1123416, 1144220, 1373064, 1404270, 1471140, 1544697, 1716330, 1765368, 1872360, 2059596, 2206710, 2288440, 2574495, 2808540, 2942280, 3089394, 3432660, 4119192, 4413420, 5148990, 5617080, 6178788, 6865320, 7723485, 8826840, 10297980, 12357576, 15446970, 20595960, 30893940, 61787880]

約数ペア:

[(1, 61787880), (2, 30893940), (3, 20595960), (4, 15446970), (5, 12357576), (6, 10297980), (7, 8826840), (8, 7723485), (9, 6865320), (10, 6178788), (11, 5617080), (12, 5148990), (14, 4413420), (15, 4119192), (18, 3432660), (20, 3089394), (21, 2942280), (22, 2808540), (24, 2574495), (27, 2288440), (28, 2206710), (30, 2059596), (33, 1872360), (35, 1765368), (36, 1716330), (40, 1544697), (42, 1471140), (44, 1404270), (45, 1373064), (54, 1144220), (55, 1123416), (56, 1103355), (60, 1029798), (63, 980760), (66, 936180), (70, 882684), (72, 858165), (77, 802440), (84, 735570), (88, 702135), (90, 686532), (99, 624120), (105, 588456), (108, 572110), (110, 561708), (120, 514899), (126, 490380), (132, 468090), (135, 457688), (140, 441342), (154, 401220), (165, 374472), (168, 367785), (180, 343266), (189, 326920), (198, 312060), (210, 294228), (216, 286055), (220, 280854), (231, 267480), (252, 245190), (264, 234045), (270, 228844), (280, 220671), (297, 208040), (308, 200610), (315, 196152), (330, 187236), (360, 171633), (378, 163460), (385, 160488), (396, 156030), (420, 147114), (440, 140427), (462, 133740), (495, 124824), (504, 122595), (540, 114422), (594, 104020), (616, 100305), (630, 98076), (660, 93618), (693, 89160), (743, 83160), (756, 81730), (770, 80244), (792, 78015), (840, 73557), (924, 66870), (945, 65384), (990, 62412), (1080, 57211), (1155, 53496), (1188, 52010), (1260, 49038), (1320, 46809), (1386, 44580), (1485, 41608), (1486, 41580), (1512, 40865), (1540, 40122), (1848, 33435), (1890, 32692), (1980, 31206), (2079, 29720), (2229, 27720), (2310, 26748), (2376, 26005), (2520, 24519), (2772, 22290), (2970, 20804), (2972, 20790), (3080, 20061), (3465, 17832), (3715, 16632), (3780, 16346), (3960, 15603), (4158, 14860), (4458, 13860), (4620, 13374), (5201, 11880), (5544, 11145), (5940, 10402), (5944, 10395), (6687, 9240), (6930, 8916), (7430, 8316), (7560, 8173)]