656207940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{863}}^1$

素因数の和:946

約数の個数: 192

約数和(自身を含む): 2090188800

約数和(自身を除く): 1433980860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 23, 29, 30, 38, 46, 57, 58, 60, 69, 76, 87, 92, 95, 114, 115, 116, 138, 145, 174, 190, 228, 230, 276, 285, 290, 345, 348, 380, 435, 437, 460, 551, 570, 580, 667, 690, 863, 870, 874, 1102, 1140, 1311, 1334, 1380, 1653, 1726, 1740, 1748, 2001, 2185, 2204, 2589, 2622, 2668, 2755, 3306, 3335, 3452, 4002, 4315, 4370, 5178, 5244, 5510, 6555, 6612, 6670, 8004, 8265, 8630, 8740, 10005, 10356, 11020, 12673, 12945, 13110, 13340, 16397, 16530, 17260, 19849, 20010, 25027, 25346, 25890, 26220, 32794, 33060, 38019, 39698, 40020, 49191, 50054, 50692, 51780, 59547, 63365, 65588, 75081, 76038, 79396, 81985, 98382, 99245, 100108, 119094, 125135, 126730, 150162, 152076, 163970, 190095, 196764, 198490, 238188, 245955, 250270, 253460, 297735, 300324, 327940, 375405, 377131, 380190, 396980, 475513, 491910, 500540, 575621, 595470, 750810, 754262, 760380, 951026, 983820, 1131393, 1151242, 1190940, 1426539, 1501620, 1508524, 1726863, 1885655, 1902052, 2262786, 2302484, 2377565, 2853078, 2878105, 3453726, 3771310, 4525572, 4755130, 5656965, 5706156, 5756210, 6907452, 7132695, 7542620, 8634315, 9510260, 10936799, 11313930, 11512420, 14265390, 17268630, 21873598, 22627860, 28530780, 32810397, 34537260, 43747196, 54683995, 65620794, 109367990, 131241588, 164051985, 218735980, 328103970, 656207940]

約数ペア:

[(1, 656207940), (2, 328103970), (3, 218735980), (4, 164051985), (5, 131241588), (6, 109367990), (10, 65620794), (12, 54683995), (15, 43747196), (19, 34537260), (20, 32810397), (23, 28530780), (29, 22627860), (30, 21873598), (38, 17268630), (46, 14265390), (57, 11512420), (58, 11313930), (60, 10936799), (69, 9510260), (76, 8634315), (87, 7542620), (92, 7132695), (95, 6907452), (114, 5756210), (115, 5706156), (116, 5656965), (138, 4755130), (145, 4525572), (174, 3771310), (190, 3453726), (228, 2878105), (230, 2853078), (276, 2377565), (285, 2302484), (290, 2262786), (345, 1902052), (348, 1885655), (380, 1726863), (435, 1508524), (437, 1501620), (460, 1426539), (551, 1190940), (570, 1151242), (580, 1131393), (667, 983820), (690, 951026), (863, 760380), (870, 754262), (874, 750810), (1102, 595470), (1140, 575621), (1311, 500540), (1334, 491910), (1380, 475513), (1653, 396980), (1726, 380190), (1740, 377131), (1748, 375405), (2001, 327940), (2185, 300324), (2204, 297735), (2589, 253460), (2622, 250270), (2668, 245955), (2755, 238188), (3306, 198490), (3335, 196764), (3452, 190095), (4002, 163970), (4315, 152076), (4370, 150162), (5178, 126730), (5244, 125135), (5510, 119094), (6555, 100108), (6612, 99245), (6670, 98382), (8004, 81985), (8265, 79396), (8630, 76038), (8740, 75081), (10005, 65588), (10356, 63365), (11020, 59547), (12673, 51780), (12945, 50692), (13110, 50054), (13340, 49191), (16397, 40020), (16530, 39698), (17260, 38019), (19849, 33060), (20010, 32794), (25027, 26220), (25346, 25890)]