161235900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:498

約数の個数: 288

約数和(自身を含む): 624960000

約数和(自身を除く): 463724100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 25, 27, 28, 30, 35, 36, 38, 42, 45, 50, 54, 57, 60, 63, 70, 75, 76, 84, 90, 95, 100, 105, 108, 114, 126, 133, 135, 140, 150, 171, 175, 180, 189, 190, 210, 225, 228, 252, 266, 270, 285, 300, 315, 342, 350, 378, 380, 399, 420, 449, 450, 475, 513, 525, 532, 540, 570, 630, 665, 675, 684, 700, 756, 798, 855, 898, 900, 945, 950, 1026, 1050, 1140, 1197, 1260, 1330, 1347, 1350, 1425, 1575, 1596, 1710, 1796, 1890, 1900, 1995, 2052, 2100, 2245, 2394, 2565, 2660, 2694, 2700, 2850, 3143, 3150, 3325, 3420, 3591, 3780, 3990, 4041, 4275, 4490, 4725, 4788, 5130, 5388, 5700, 5985, 6286, 6300, 6650, 6735, 7182, 7980, 8082, 8531, 8550, 8980, 9429, 9450, 9975, 10260, 11225, 11970, 12123, 12572, 12825, 13300, 13470, 14364, 15715, 16164, 17062, 17100, 17955, 18858, 18900, 19950, 20205, 22450, 23940, 24246, 25593, 25650, 26940, 28287, 29925, 31430, 33675, 34124, 35910, 37716, 39900, 40410, 42655, 44900, 47145, 48492, 51186, 51300, 56574, 59717, 59850, 60615, 62860, 67350, 71820, 76779, 78575, 80820, 84861, 85310, 89775, 94290, 101025, 102372, 113148, 119434, 119700, 121230, 127965, 134700, 141435, 153558, 157150, 169722, 170620, 179151, 179550, 188580, 202050, 213275, 230337, 235725, 238868, 242460, 255930, 282870, 298585, 303075, 307116, 314300, 339444, 358302, 359100, 383895, 404100, 424305, 426550, 460674, 471450, 511860, 537453, 565740, 597170, 606150, 639825, 707175, 716604, 767790, 848610, 853100, 895755, 921348, 942900, 1074906, 1151685, 1194340, 1212300, 1279650, 1414350, 1492925, 1535580, 1612359, 1697220, 1791510, 1919475, 2121525, 2149812, 2303370, 2559300, 2687265, 2828700, 2985850, 3224718, 3583020, 3838950, 4243050, 4478775, 4606740, 5374530, 5758425, 5971700, 6449436, 7677900, 8061795, 8486100, 8957550, 10749060, 11516850, 13436325, 16123590, 17915100, 23033700, 26872650, 32247180, 40308975, 53745300, 80617950, 161235900]

約数ペア:

[(1, 161235900), (2, 80617950), (3, 53745300), (4, 40308975), (5, 32247180), (6, 26872650), (7, 23033700), (9, 17915100), (10, 16123590), (12, 13436325), (14, 11516850), (15, 10749060), (18, 8957550), (19, 8486100), (20, 8061795), (21, 7677900), (25, 6449436), (27, 5971700), (28, 5758425), (30, 5374530), (35, 4606740), (36, 4478775), (38, 4243050), (42, 3838950), (45, 3583020), (50, 3224718), (54, 2985850), (57, 2828700), (60, 2687265), (63, 2559300), (70, 2303370), (75, 2149812), (76, 2121525), (84, 1919475), (90, 1791510), (95, 1697220), (100, 1612359), (105, 1535580), (108, 1492925), (114, 1414350), (126, 1279650), (133, 1212300), (135, 1194340), (140, 1151685), (150, 1074906), (171, 942900), (175, 921348), (180, 895755), (189, 853100), (190, 848610), (210, 767790), (225, 716604), (228, 707175), (252, 639825), (266, 606150), (270, 597170), (285, 565740), (300, 537453), (315, 511860), (342, 471450), (350, 460674), (378, 426550), (380, 424305), (399, 404100), (420, 383895), (449, 359100), (450, 358302), (475, 339444), (513, 314300), (525, 307116), (532, 303075), (540, 298585), (570, 282870), (630, 255930), (665, 242460), (675, 238868), (684, 235725), (700, 230337), (756, 213275), (798, 202050), (855, 188580), (898, 179550), (900, 179151), (945, 170620), (950, 169722), (1026, 157150), (1050, 153558), (1140, 141435), (1197, 134700), (1260, 127965), (1330, 121230), (1347, 119700), (1350, 119434), (1425, 113148), (1575, 102372), (1596, 101025), (1710, 94290), (1796, 89775), (1890, 85310), (1900, 84861), (1995, 80820), (2052, 78575), (2100, 76779), (2245, 71820), (2394, 67350), (2565, 62860), (2660, 60615), (2694, 59850), (2700, 59717), (2850, 56574), (3143, 51300), (3150, 51186), (3325, 48492), (3420, 47145), (3591, 44900), (3780, 42655), (3990, 40410), (4041, 39900), (4275, 37716), (4490, 35910), (4725, 34124), (4788, 33675), (5130, 31430), (5388, 29925), (5700, 28287), (5985, 26940), (6286, 25650), (6300, 25593), (6650, 24246), (6735, 23940), (7182, 22450), (7980, 20205), (8082, 19950), (8531, 18900), (8550, 18858), (8980, 17955), (9429, 17100), (9450, 17062), (9975, 16164), (10260, 15715), (11225, 14364), (11970, 13470), (12123, 13300), (12572, 12825)]