1720347860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{5503}}^1$

素因数の和:5566

約数の個数: 144

約数和(自身を含む): 4743567360

約数和(自身を除く): 3023219500

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 29, 35, 44, 49, 55, 58, 70, 77, 98, 110, 116, 140, 145, 154, 196, 203, 220, 245, 290, 308, 319, 385, 406, 490, 539, 580, 638, 770, 812, 980, 1015, 1078, 1276, 1421, 1540, 1595, 2030, 2156, 2233, 2695, 2842, 3190, 4060, 4466, 5390, 5503, 5684, 6380, 7105, 8932, 10780, 11006, 11165, 14210, 15631, 22012, 22330, 27515, 28420, 31262, 38521, 44660, 55030, 60533, 62524, 77042, 78155, 110060, 121066, 154084, 156310, 159587, 192605, 242132, 269647, 302665, 312620, 319174, 385210, 423731, 539294, 605330, 638348, 770420, 797935, 847462, 1078588, 1117109, 1210660, 1348235, 1595870, 1694924, 1755457, 2118655, 2234218, 2696470, 2966117, 3191740, 3510914, 4237310, 4468436, 5392940, 5585545, 5932234, 7021828, 7819763, 8474620, 8777285, 11171090, 11864468, 12288199, 14830585, 15639526, 17554570, 22342180, 24576398, 29661170, 31279052, 35109140, 39098815, 49152796, 59322340, 61440995, 78197630, 86017393, 122881990, 156395260, 172034786, 245763980, 344069572, 430086965, 860173930, 1720347860]

約数ペア:

[(1, 1720347860), (2, 860173930), (4, 430086965), (5, 344069572), (7, 245763980), (10, 172034786), (11, 156395260), (14, 122881990), (20, 86017393), (22, 78197630), (28, 61440995), (29, 59322340), (35, 49152796), (44, 39098815), (49, 35109140), (55, 31279052), (58, 29661170), (70, 24576398), (77, 22342180), (98, 17554570), (110, 15639526), (116, 14830585), (140, 12288199), (145, 11864468), (154, 11171090), (196, 8777285), (203, 8474620), (220, 7819763), (245, 7021828), (290, 5932234), (308, 5585545), (319, 5392940), (385, 4468436), (406, 4237310), (490, 3510914), (539, 3191740), (580, 2966117), (638, 2696470), (770, 2234218), (812, 2118655), (980, 1755457), (1015, 1694924), (1078, 1595870), (1276, 1348235), (1421, 1210660), (1540, 1117109), (1595, 1078588), (2030, 847462), (2156, 797935), (2233, 770420), (2695, 638348), (2842, 605330), (3190, 539294), (4060, 423731), (4466, 385210), (5390, 319174), (5503, 312620), (5684, 302665), (6380, 269647), (7105, 242132), (8932, 192605), (10780, 159587), (11006, 156310), (11165, 154084), (14210, 121066), (15631, 110060), (22012, 78155), (22330, 77042), (27515, 62524), (28420, 60533), (31262, 55030), (38521, 44660)]