280751940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{257}}^1$

素因数の和:316

約数の個数: 288

約数和(自身を含む): 1064528640

約数和(自身を除く): 783776700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 42, 45, 51, 54, 60, 63, 68, 70, 84, 85, 90, 102, 105, 108, 119, 126, 135, 140, 153, 170, 180, 189, 204, 210, 238, 252, 255, 257, 270, 289, 306, 315, 340, 357, 378, 420, 459, 476, 510, 514, 540, 578, 595, 612, 630, 714, 756, 765, 771, 867, 918, 945, 1020, 1028, 1071, 1156, 1190, 1260, 1285, 1428, 1445, 1530, 1542, 1734, 1785, 1799, 1836, 1890, 2023, 2142, 2295, 2313, 2380, 2570, 2601, 2890, 3060, 3084, 3213, 3468, 3570, 3598, 3780, 3855, 4046, 4284, 4335, 4369, 4590, 4626, 5140, 5202, 5355, 5397, 5780, 6069, 6426, 6939, 7140, 7196, 7710, 7803, 8092, 8670, 8738, 8995, 9180, 9252, 10115, 10404, 10710, 10794, 11565, 12138, 12852, 13005, 13107, 13878, 15420, 15606, 16065, 16191, 17340, 17476, 17990, 18207, 20230, 21420, 21588, 21845, 23130, 24276, 26010, 26214, 26985, 27756, 30345, 30583, 31212, 32130, 32382, 34695, 35980, 36414, 39015, 39321, 40460, 43690, 46260, 48573, 52020, 52428, 53970, 54621, 60690, 61166, 64260, 64764, 65535, 69390, 72828, 74273, 78030, 78642, 80955, 87380, 91035, 91749, 97146, 107940, 109242, 117963, 121380, 122332, 131070, 138780, 148546, 152915, 156060, 157284, 161910, 182070, 183498, 194292, 196605, 218484, 222819, 235926, 242865, 262140, 273105, 275247, 297092, 305830, 323820, 364140, 366996, 371365, 393210, 445638, 458745, 471852, 485730, 519911, 546210, 550494, 589815, 611660, 668457, 742730, 786420, 825741, 891276, 917490, 971460, 1039822, 1092420, 1100988, 1114095, 1179630, 1336914, 1376235, 1485460, 1559733, 1651482, 1834980, 2005371, 2079644, 2228190, 2359260, 2599555, 2673828, 2752470, 3119466, 3302964, 3342285, 4010742, 4128705, 4456380, 4679199, 5199110, 5504940, 6238932, 6684570, 7798665, 8021484, 8257410, 9358398, 10026855, 10398220, 13369140, 14037597, 15597330, 16514820, 18716796, 20053710, 23395995, 28075194, 31194660, 40107420, 46791990, 56150388, 70187985, 93583980, 140375970, 280751940]

約数ペア:

[(1, 280751940), (2, 140375970), (3, 93583980), (4, 70187985), (5, 56150388), (6, 46791990), (7, 40107420), (9, 31194660), (10, 28075194), (12, 23395995), (14, 20053710), (15, 18716796), (17, 16514820), (18, 15597330), (20, 14037597), (21, 13369140), (27, 10398220), (28, 10026855), (30, 9358398), (34, 8257410), (35, 8021484), (36, 7798665), (42, 6684570), (45, 6238932), (51, 5504940), (54, 5199110), (60, 4679199), (63, 4456380), (68, 4128705), (70, 4010742), (84, 3342285), (85, 3302964), (90, 3119466), (102, 2752470), (105, 2673828), (108, 2599555), (119, 2359260), (126, 2228190), (135, 2079644), (140, 2005371), (153, 1834980), (170, 1651482), (180, 1559733), (189, 1485460), (204, 1376235), (210, 1336914), (238, 1179630), (252, 1114095), (255, 1100988), (257, 1092420), (270, 1039822), (289, 971460), (306, 917490), (315, 891276), (340, 825741), (357, 786420), (378, 742730), (420, 668457), (459, 611660), (476, 589815), (510, 550494), (514, 546210), (540, 519911), (578, 485730), (595, 471852), (612, 458745), (630, 445638), (714, 393210), (756, 371365), (765, 366996), (771, 364140), (867, 323820), (918, 305830), (945, 297092), (1020, 275247), (1028, 273105), (1071, 262140), (1156, 242865), (1190, 235926), (1260, 222819), (1285, 218484), (1428, 196605), (1445, 194292), (1530, 183498), (1542, 182070), (1734, 161910), (1785, 157284), (1799, 156060), (1836, 152915), (1890, 148546), (2023, 138780), (2142, 131070), (2295, 122332), (2313, 121380), (2380, 117963), (2570, 109242), (2601, 107940), (2890, 97146), (3060, 91749), (3084, 91035), (3213, 87380), (3468, 80955), (3570, 78642), (3598, 78030), (3780, 74273), (3855, 72828), (4046, 69390), (4284, 65535), (4335, 64764), (4369, 64260), (4590, 61166), (4626, 60690), (5140, 54621), (5202, 53970), (5355, 52428), (5397, 52020), (5780, 48573), (6069, 46260), (6426, 43690), (6939, 40460), (7140, 39321), (7196, 39015), (7710, 36414), (7803, 35980), (8092, 34695), (8670, 32382), (8738, 32130), (8995, 31212), (9180, 30583), (9252, 30345), (10115, 27756), (10404, 26985), (10710, 26214), (10794, 26010), (11565, 24276), (12138, 23130), (12852, 21845), (13005, 21588), (13107, 21420), (13878, 20230), (15420, 18207), (15606, 17990), (16065, 17476), (16191, 17340)]