291216120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:262

約数の個数: 256

約数和(自身を含む): 1016064000

約数和(自身を除く): 724847880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 79, 85, 102, 104, 120, 130, 136, 139, 156, 158, 170, 195, 204, 221, 237, 255, 260, 278, 312, 316, 340, 390, 395, 408, 417, 442, 474, 510, 520, 556, 632, 663, 680, 695, 780, 790, 834, 884, 948, 1020, 1027, 1105, 1112, 1185, 1326, 1343, 1390, 1560, 1580, 1668, 1768, 1807, 1896, 2040, 2054, 2085, 2210, 2363, 2370, 2652, 2686, 2780, 3081, 3160, 3315, 3336, 3614, 4029, 4108, 4170, 4420, 4726, 4740, 5135, 5304, 5372, 5421, 5560, 6162, 6630, 6715, 7089, 7228, 8058, 8216, 8340, 8840, 9035, 9452, 9480, 10270, 10744, 10842, 10981, 11815, 12324, 13260, 13430, 14178, 14456, 15405, 16116, 16680, 17459, 18070, 18904, 20145, 20540, 21684, 21962, 23630, 24648, 26520, 26860, 27105, 28356, 30719, 30810, 32232, 32943, 34918, 35445, 36140, 40290, 41080, 43368, 43924, 47260, 52377, 53720, 54210, 54905, 56712, 61438, 61620, 65886, 69836, 70890, 72280, 80580, 87295, 87848, 92157, 94520, 104754, 108420, 109810, 122876, 123240, 131772, 139672, 141780, 142753, 153595, 161160, 164715, 174590, 184314, 186677, 209508, 216840, 219620, 245752, 261885, 263544, 283560, 285506, 307190, 329430, 349180, 368628, 373354, 419016, 428259, 439240, 460785, 523770, 560031, 571012, 614380, 658860, 698360, 713765, 737256, 746708, 856518, 921570, 933385, 1047540, 1120062, 1142024, 1228760, 1317720, 1427530, 1493416, 1713036, 1843140, 1866770, 2095080, 2141295, 2240124, 2426801, 2800155, 2855060, 3426072, 3686280, 3733540, 4282590, 4480248, 4853602, 5600310, 5710120, 7280403, 7467080, 8565180, 9707204, 11200620, 12134005, 14560806, 17130360, 19414408, 22401240, 24268010, 29121612, 36402015, 48536020, 58243224, 72804030, 97072040, 145608060, 291216120]

約数ペア:

[(1, 291216120), (2, 145608060), (3, 97072040), (4, 72804030), (5, 58243224), (6, 48536020), (8, 36402015), (10, 29121612), (12, 24268010), (13, 22401240), (15, 19414408), (17, 17130360), (20, 14560806), (24, 12134005), (26, 11200620), (30, 9707204), (34, 8565180), (39, 7467080), (40, 7280403), (51, 5710120), (52, 5600310), (60, 4853602), (65, 4480248), (68, 4282590), (78, 3733540), (79, 3686280), (85, 3426072), (102, 2855060), (104, 2800155), (120, 2426801), (130, 2240124), (136, 2141295), (139, 2095080), (156, 1866770), (158, 1843140), (170, 1713036), (195, 1493416), (204, 1427530), (221, 1317720), (237, 1228760), (255, 1142024), (260, 1120062), (278, 1047540), (312, 933385), (316, 921570), (340, 856518), (390, 746708), (395, 737256), (408, 713765), (417, 698360), (442, 658860), (474, 614380), (510, 571012), (520, 560031), (556, 523770), (632, 460785), (663, 439240), (680, 428259), (695, 419016), (780, 373354), (790, 368628), (834, 349180), (884, 329430), (948, 307190), (1020, 285506), (1027, 283560), (1105, 263544), (1112, 261885), (1185, 245752), (1326, 219620), (1343, 216840), (1390, 209508), (1560, 186677), (1580, 184314), (1668, 174590), (1768, 164715), (1807, 161160), (1896, 153595), (2040, 142753), (2054, 141780), (2085, 139672), (2210, 131772), (2363, 123240), (2370, 122876), (2652, 109810), (2686, 108420), (2780, 104754), (3081, 94520), (3160, 92157), (3315, 87848), (3336, 87295), (3614, 80580), (4029, 72280), (4108, 70890), (4170, 69836), (4420, 65886), (4726, 61620), (4740, 61438), (5135, 56712), (5304, 54905), (5372, 54210), (5421, 53720), (5560, 52377), (6162, 47260), (6630, 43924), (6715, 43368), (7089, 41080), (7228, 40290), (8058, 36140), (8216, 35445), (8340, 34918), (8840, 32943), (9035, 32232), (9452, 30810), (9480, 30719), (10270, 28356), (10744, 27105), (10842, 26860), (10981, 26520), (11815, 24648), (12324, 23630), (13260, 21962), (13430, 21684), (14178, 20540), (14456, 20145), (15405, 18904), (16116, 18070), (16680, 17459)]