15648780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:128

約数の個数: 192

約数和(自身を含む): 55157760

約数和(自身を除く): 39508980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 37, 38, 42, 53, 57, 60, 70, 74, 76, 84, 95, 105, 106, 111, 114, 133, 140, 148, 159, 185, 190, 210, 212, 222, 228, 259, 265, 266, 285, 318, 370, 371, 380, 399, 420, 444, 518, 530, 532, 555, 570, 636, 665, 703, 740, 742, 777, 795, 798, 1007, 1036, 1060, 1110, 1113, 1140, 1295, 1330, 1406, 1484, 1554, 1590, 1596, 1855, 1961, 1995, 2014, 2109, 2220, 2226, 2590, 2660, 2812, 3021, 3108, 3180, 3515, 3710, 3885, 3922, 3990, 4028, 4218, 4452, 4921, 5035, 5180, 5565, 5883, 6042, 7030, 7049, 7420, 7770, 7844, 7980, 8436, 9805, 9842, 10070, 10545, 11130, 11766, 12084, 13727, 14060, 14098, 14763, 15105, 15540, 19610, 19684, 20140, 21090, 21147, 22260, 23532, 24605, 27454, 28196, 29415, 29526, 30210, 35245, 37259, 39220, 41181, 42180, 42294, 49210, 54908, 58830, 59052, 60420, 68635, 70490, 73815, 74518, 82362, 84588, 98420, 105735, 111777, 117660, 137270, 140980, 147630, 149036, 164724, 186295, 205905, 211470, 223554, 260813, 274540, 295260, 372590, 411810, 422940, 447108, 521626, 558885, 745180, 782439, 823620, 1043252, 1117770, 1304065, 1564878, 2235540, 2608130, 3129756, 3912195, 5216260, 7824390, 15648780]

約数ペア:

[(1, 15648780), (2, 7824390), (3, 5216260), (4, 3912195), (5, 3129756), (6, 2608130), (7, 2235540), (10, 1564878), (12, 1304065), (14, 1117770), (15, 1043252), (19, 823620), (20, 782439), (21, 745180), (28, 558885), (30, 521626), (35, 447108), (37, 422940), (38, 411810), (42, 372590), (53, 295260), (57, 274540), (60, 260813), (70, 223554), (74, 211470), (76, 205905), (84, 186295), (95, 164724), (105, 149036), (106, 147630), (111, 140980), (114, 137270), (133, 117660), (140, 111777), (148, 105735), (159, 98420), (185, 84588), (190, 82362), (210, 74518), (212, 73815), (222, 70490), (228, 68635), (259, 60420), (265, 59052), (266, 58830), (285, 54908), (318, 49210), (370, 42294), (371, 42180), (380, 41181), (399, 39220), (420, 37259), (444, 35245), (518, 30210), (530, 29526), (532, 29415), (555, 28196), (570, 27454), (636, 24605), (665, 23532), (703, 22260), (740, 21147), (742, 21090), (777, 20140), (795, 19684), (798, 19610), (1007, 15540), (1036, 15105), (1060, 14763), (1110, 14098), (1113, 14060), (1140, 13727), (1295, 12084), (1330, 11766), (1406, 11130), (1484, 10545), (1554, 10070), (1590, 9842), (1596, 9805), (1855, 8436), (1961, 7980), (1995, 7844), (2014, 7770), (2109, 7420), (2220, 7049), (2226, 7030), (2590, 6042), (2660, 5883), (2812, 5565), (3021, 5180), (3108, 5035), (3180, 4921), (3515, 4452), (3710, 4218), (3885, 4028), (3922, 3990)]