281551140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:524

約数の個数: 240

約数和(自身を含む): 986111280

約数和(自身を除く): 704560140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 29, 30, 36, 39, 45, 52, 54, 58, 60, 65, 78, 81, 87, 90, 108, 116, 117, 130, 135, 145, 156, 162, 174, 180, 195, 234, 260, 261, 270, 290, 324, 348, 351, 377, 390, 405, 435, 461, 468, 522, 540, 580, 585, 702, 754, 780, 783, 810, 870, 922, 1044, 1053, 1131, 1170, 1305, 1383, 1404, 1508, 1566, 1620, 1740, 1755, 1844, 1885, 2106, 2262, 2305, 2340, 2349, 2610, 2766, 3132, 3393, 3510, 3770, 3915, 4149, 4212, 4524, 4610, 4698, 5220, 5265, 5532, 5655, 5993, 6786, 6915, 7020, 7540, 7830, 8298, 9220, 9396, 10179, 10530, 11310, 11745, 11986, 12447, 13369, 13572, 13830, 15660, 16596, 16965, 17979, 20358, 20745, 21060, 22620, 23490, 23972, 24894, 26738, 27660, 29965, 30537, 33930, 35958, 37341, 40107, 40716, 41490, 46980, 49788, 50895, 53476, 53937, 59930, 61074, 62235, 66845, 67860, 71916, 74682, 80214, 82980, 89895, 101790, 107874, 119860, 120321, 122148, 124470, 133690, 149364, 152685, 160428, 161811, 173797, 179790, 186705, 200535, 203580, 215748, 240642, 248940, 267380, 269685, 305370, 323622, 347594, 359580, 360963, 373410, 401070, 481284, 485433, 521391, 539370, 601605, 610740, 647244, 695188, 721926, 746820, 802140, 809055, 868985, 970866, 1042782, 1078740, 1082889, 1203210, 1443852, 1564173, 1618110, 1737970, 1804815, 1941732, 2085564, 2165778, 2406420, 2427165, 2606955, 3128346, 3236220, 3475940, 3609630, 4331556, 4692519, 4854330, 5213910, 5414445, 6256692, 7219260, 7820865, 9385038, 9708660, 10427820, 10828890, 14077557, 15641730, 18770076, 21657780, 23462595, 28155114, 31283460, 46925190, 56310228, 70387785, 93850380, 140775570, 281551140]

約数ペア:

[(1, 281551140), (2, 140775570), (3, 93850380), (4, 70387785), (5, 56310228), (6, 46925190), (9, 31283460), (10, 28155114), (12, 23462595), (13, 21657780), (15, 18770076), (18, 15641730), (20, 14077557), (26, 10828890), (27, 10427820), (29, 9708660), (30, 9385038), (36, 7820865), (39, 7219260), (45, 6256692), (52, 5414445), (54, 5213910), (58, 4854330), (60, 4692519), (65, 4331556), (78, 3609630), (81, 3475940), (87, 3236220), (90, 3128346), (108, 2606955), (116, 2427165), (117, 2406420), (130, 2165778), (135, 2085564), (145, 1941732), (156, 1804815), (162, 1737970), (174, 1618110), (180, 1564173), (195, 1443852), (234, 1203210), (260, 1082889), (261, 1078740), (270, 1042782), (290, 970866), (324, 868985), (348, 809055), (351, 802140), (377, 746820), (390, 721926), (405, 695188), (435, 647244), (461, 610740), (468, 601605), (522, 539370), (540, 521391), (580, 485433), (585, 481284), (702, 401070), (754, 373410), (780, 360963), (783, 359580), (810, 347594), (870, 323622), (922, 305370), (1044, 269685), (1053, 267380), (1131, 248940), (1170, 240642), (1305, 215748), (1383, 203580), (1404, 200535), (1508, 186705), (1566, 179790), (1620, 173797), (1740, 161811), (1755, 160428), (1844, 152685), (1885, 149364), (2106, 133690), (2262, 124470), (2305, 122148), (2340, 120321), (2349, 119860), (2610, 107874), (2766, 101790), (3132, 89895), (3393, 82980), (3510, 80214), (3770, 74682), (3915, 71916), (4149, 67860), (4212, 66845), (4524, 62235), (4610, 61074), (4698, 59930), (5220, 53937), (5265, 53476), (5532, 50895), (5655, 49788), (5993, 46980), (6786, 41490), (6915, 40716), (7020, 40107), (7540, 37341), (7830, 35958), (8298, 33930), (9220, 30537), (9396, 29965), (10179, 27660), (10530, 26738), (11310, 24894), (11745, 23972), (11986, 23490), (12447, 22620), (13369, 21060), (13572, 20745), (13830, 20358), (15660, 17979), (16596, 16965)]