261741240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 256

約数和(自身を含む): 924048000

約数和(自身を除く): 662306760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 61, 72, 87, 90, 108, 116, 120, 122, 135, 137, 145, 174, 180, 183, 216, 232, 244, 261, 270, 274, 290, 305, 348, 360, 366, 411, 435, 488, 522, 540, 548, 549, 580, 610, 685, 696, 732, 783, 822, 870, 915, 1044, 1080, 1096, 1098, 1160, 1220, 1233, 1305, 1370, 1464, 1566, 1644, 1647, 1740, 1769, 1830, 2055, 2088, 2196, 2440, 2466, 2610, 2740, 2745, 3132, 3288, 3294, 3480, 3538, 3660, 3699, 3915, 3973, 4110, 4392, 4932, 5220, 5307, 5480, 5490, 6165, 6264, 6588, 7076, 7320, 7398, 7830, 7946, 8220, 8235, 8357, 8845, 9864, 10440, 10614, 10980, 11919, 12330, 13176, 14152, 14796, 15660, 15892, 15921, 16440, 16470, 16714, 17690, 18495, 19865, 21228, 21960, 23838, 24660, 25071, 26535, 29592, 31320, 31784, 31842, 32940, 33428, 35380, 35757, 36990, 39730, 41785, 42456, 47676, 47763, 49320, 50142, 53070, 59595, 63684, 65880, 66856, 70760, 71514, 73980, 75213, 79460, 79605, 83570, 95352, 95526, 100284, 106140, 107271, 119190, 125355, 127368, 143028, 147960, 150426, 158920, 159210, 167140, 178785, 191052, 200568, 212280, 214542, 225639, 238380, 238815, 242353, 250710, 286056, 300852, 318420, 334280, 357570, 376065, 382104, 429084, 451278, 476760, 477630, 484706, 501420, 536355, 601704, 636840, 715140, 727059, 752130, 858168, 902556, 955260, 969412, 1002840, 1072710, 1128195, 1211765, 1430280, 1454118, 1504260, 1805112, 1910520, 1938824, 2145420, 2181177, 2256390, 2423530, 2908236, 3008520, 3635295, 4290840, 4362354, 4512780, 4847060, 5816472, 6543531, 7270590, 8724708, 9025560, 9694120, 10905885, 13087062, 14541180, 17449416, 21811770, 26174124, 29082360, 32717655, 43623540, 52348248, 65435310, 87247080, 130870620, 261741240]

約数ペア:

[(1, 261741240), (2, 130870620), (3, 87247080), (4, 65435310), (5, 52348248), (6, 43623540), (8, 32717655), (9, 29082360), (10, 26174124), (12, 21811770), (15, 17449416), (18, 14541180), (20, 13087062), (24, 10905885), (27, 9694120), (29, 9025560), (30, 8724708), (36, 7270590), (40, 6543531), (45, 5816472), (54, 4847060), (58, 4512780), (60, 4362354), (61, 4290840), (72, 3635295), (87, 3008520), (90, 2908236), (108, 2423530), (116, 2256390), (120, 2181177), (122, 2145420), (135, 1938824), (137, 1910520), (145, 1805112), (174, 1504260), (180, 1454118), (183, 1430280), (216, 1211765), (232, 1128195), (244, 1072710), (261, 1002840), (270, 969412), (274, 955260), (290, 902556), (305, 858168), (348, 752130), (360, 727059), (366, 715140), (411, 636840), (435, 601704), (488, 536355), (522, 501420), (540, 484706), (548, 477630), (549, 476760), (580, 451278), (610, 429084), (685, 382104), (696, 376065), (732, 357570), (783, 334280), (822, 318420), (870, 300852), (915, 286056), (1044, 250710), (1080, 242353), (1096, 238815), (1098, 238380), (1160, 225639), (1220, 214542), (1233, 212280), (1305, 200568), (1370, 191052), (1464, 178785), (1566, 167140), (1644, 159210), (1647, 158920), (1740, 150426), (1769, 147960), (1830, 143028), (2055, 127368), (2088, 125355), (2196, 119190), (2440, 107271), (2466, 106140), (2610, 100284), (2740, 95526), (2745, 95352), (3132, 83570), (3288, 79605), (3294, 79460), (3480, 75213), (3538, 73980), (3660, 71514), (3699, 70760), (3915, 66856), (3973, 65880), (4110, 63684), (4392, 59595), (4932, 53070), (5220, 50142), (5307, 49320), (5480, 47763), (5490, 47676), (6165, 42456), (6264, 41785), (6588, 39730), (7076, 36990), (7320, 35757), (7398, 35380), (7830, 33428), (7946, 32940), (8220, 31842), (8235, 31784), (8357, 31320), (8845, 29592), (9864, 26535), (10440, 25071), (10614, 24660), (10980, 23838), (11919, 21960), (12330, 21228), (13176, 19865), (14152, 18495), (14796, 17690), (15660, 16714), (15892, 16470), (15921, 16440)]