168381990

素因数分解:

$2^1\times 3^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:569

約数の個数: 192

約数和(自身を含む): 547223040

約数和(自身を除く): 378841050

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 54, 57, 63, 70, 81, 90, 95, 105, 114, 126, 133, 135, 162, 171, 189, 190, 210, 243, 266, 270, 285, 315, 342, 378, 399, 405, 486, 513, 521, 567, 570, 630, 665, 798, 810, 855, 945, 1026, 1042, 1134, 1197, 1215, 1330, 1539, 1563, 1701, 1710, 1890, 1995, 2394, 2430, 2565, 2605, 2835, 3078, 3126, 3402, 3591, 3647, 3990, 4617, 4689, 5130, 5210, 5670, 5985, 7182, 7294, 7695, 7815, 8505, 9234, 9378, 9899, 10773, 10941, 11970, 14067, 15390, 15630, 17010, 17955, 18235, 19798, 21546, 21882, 23085, 23445, 28134, 29697, 32319, 32823, 35910, 36470, 42201, 46170, 46890, 49495, 53865, 54705, 59394, 64638, 65646, 69293, 70335, 84402, 89091, 98469, 98990, 107730, 109410, 126603, 138586, 140670, 148485, 161595, 164115, 178182, 196938, 207879, 211005, 253206, 267273, 295407, 296970, 323190, 328230, 346465, 415758, 422010, 445455, 492345, 534546, 590814, 623637, 633015, 692930, 801819, 886221, 890910, 984690, 1039395, 1247274, 1266030, 1336365, 1477035, 1603638, 1772442, 1870911, 2078790, 2405457, 2672730, 2954070, 3118185, 3741822, 4009095, 4431105, 4810914, 5612733, 6236370, 8018190, 8862210, 9354555, 11225466, 12027285, 16838199, 18709110, 24054570, 28063665, 33676398, 56127330, 84190995, 168381990]

約数ペア:

[(1, 168381990), (2, 84190995), (3, 56127330), (5, 33676398), (6, 28063665), (7, 24054570), (9, 18709110), (10, 16838199), (14, 12027285), (15, 11225466), (18, 9354555), (19, 8862210), (21, 8018190), (27, 6236370), (30, 5612733), (35, 4810914), (38, 4431105), (42, 4009095), (45, 3741822), (54, 3118185), (57, 2954070), (63, 2672730), (70, 2405457), (81, 2078790), (90, 1870911), (95, 1772442), (105, 1603638), (114, 1477035), (126, 1336365), (133, 1266030), (135, 1247274), (162, 1039395), (171, 984690), (189, 890910), (190, 886221), (210, 801819), (243, 692930), (266, 633015), (270, 623637), (285, 590814), (315, 534546), (342, 492345), (378, 445455), (399, 422010), (405, 415758), (486, 346465), (513, 328230), (521, 323190), (567, 296970), (570, 295407), (630, 267273), (665, 253206), (798, 211005), (810, 207879), (855, 196938), (945, 178182), (1026, 164115), (1042, 161595), (1134, 148485), (1197, 140670), (1215, 138586), (1330, 126603), (1539, 109410), (1563, 107730), (1701, 98990), (1710, 98469), (1890, 89091), (1995, 84402), (2394, 70335), (2430, 69293), (2565, 65646), (2605, 64638), (2835, 59394), (3078, 54705), (3126, 53865), (3402, 49495), (3591, 46890), (3647, 46170), (3990, 42201), (4617, 36470), (4689, 35910), (5130, 32823), (5210, 32319), (5670, 29697), (5985, 28134), (7182, 23445), (7294, 23085), (7695, 21882), (7815, 21546), (8505, 19798), (9234, 18235), (9378, 17955), (9899, 17010), (10773, 15630), (10941, 15390), (11970, 14067)]