31297560

素因数分解:

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

素因数の和:130

約数の個数: 256

約数和(自身を含む): 118195200

約数和(自身を除く): 86897640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 37, 38, 40, 42, 53, 56, 57, 60, 70, 74, 76, 84, 95, 105, 106, 111, 114, 120, 133, 140, 148, 152, 159, 168, 185, 190, 210, 212, 222, 228, 259, 265, 266, 280, 285, 296, 318, 370, 371, 380, 399, 420, 424, 444, 456, 518, 530, 532, 555, 570, 636, 665, 703, 740, 742, 760, 777, 795, 798, 840, 888, 1007, 1036, 1060, 1064, 1110, 1113, 1140, 1272, 1295, 1330, 1406, 1480, 1484, 1554, 1590, 1596, 1855, 1961, 1995, 2014, 2072, 2109, 2120, 2220, 2226, 2280, 2590, 2660, 2812, 2968, 3021, 3108, 3180, 3192, 3515, 3710, 3885, 3922, 3990, 4028, 4218, 4440, 4452, 4921, 5035, 5180, 5320, 5565, 5624, 5883, 6042, 6216, 6360, 7030, 7049, 7420, 7770, 7844, 7980, 8056, 8436, 8904, 9805, 9842, 10070, 10360, 10545, 11130, 11766, 12084, 13727, 14060, 14098, 14763, 14840, 15105, 15540, 15688, 15960, 16872, 19610, 19684, 20140, 21090, 21147, 22260, 23532, 24168, 24605, 27454, 28120, 28196, 29415, 29526, 30210, 31080, 35245, 37259, 39220, 39368, 40280, 41181, 42180, 42294, 44520, 47064, 49210, 54908, 56392, 58830, 59052, 60420, 68635, 70490, 73815, 74518, 78440, 82362, 84360, 84588, 98420, 105735, 109816, 111777, 117660, 118104, 120840, 137270, 140980, 147630, 149036, 164724, 169176, 186295, 196840, 205905, 211470, 223554, 235320, 260813, 274540, 281960, 295260, 298072, 329448, 372590, 411810, 422940, 447108, 521626, 549080, 558885, 590520, 745180, 782439, 823620, 845880, 894216, 1043252, 1117770, 1304065, 1490360, 1564878, 1647240, 2086504, 2235540, 2608130, 3129756, 3912195, 4471080, 5216260, 6259512, 7824390, 10432520, 15648780, 31297560]

約数ペア:

[(1, 31297560), (2, 15648780), (3, 10432520), (4, 7824390), (5, 6259512), (6, 5216260), (7, 4471080), (8, 3912195), (10, 3129756), (12, 2608130), (14, 2235540), (15, 2086504), (19, 1647240), (20, 1564878), (21, 1490360), (24, 1304065), (28, 1117770), (30, 1043252), (35, 894216), (37, 845880), (38, 823620), (40, 782439), (42, 745180), (53, 590520), (56, 558885), (57, 549080), (60, 521626), (70, 447108), (74, 422940), (76, 411810), (84, 372590), (95, 329448), (105, 298072), (106, 295260), (111, 281960), (114, 274540), (120, 260813), (133, 235320), (140, 223554), (148, 211470), (152, 205905), (159, 196840), (168, 186295), (185, 169176), (190, 164724), (210, 149036), (212, 147630), (222, 140980), (228, 137270), (259, 120840), (265, 118104), (266, 117660), (280, 111777), (285, 109816), (296, 105735), (318, 98420), (370, 84588), (371, 84360), (380, 82362), (399, 78440), (420, 74518), (424, 73815), (444, 70490), (456, 68635), (518, 60420), (530, 59052), (532, 58830), (555, 56392), (570, 54908), (636, 49210), (665, 47064), (703, 44520), (740, 42294), (742, 42180), (760, 41181), (777, 40280), (795, 39368), (798, 39220), (840, 37259), (888, 35245), (1007, 31080), (1036, 30210), (1060, 29526), (1064, 29415), (1110, 28196), (1113, 28120), (1140, 27454), (1272, 24605), (1295, 24168), (1330, 23532), (1406, 22260), (1480, 21147), (1484, 21090), (1554, 20140), (1590, 19684), (1596, 19610), (1855, 16872), (1961, 15960), (1995, 15688), (2014, 15540), (2072, 15105), (2109, 14840), (2120, 14763), (2220, 14098), (2226, 14060), (2280, 13727), (2590, 12084), (2660, 11766), (2812, 11130), (2968, 10545), (3021, 10360), (3108, 10070), (3180, 9842), (3192, 9805), (3515, 8904), (3710, 8436), (3885, 8056), (3922, 7980), (3990, 7844), (4028, 7770), (4218, 7420), (4440, 7049), (4452, 7030), (4921, 6360), (5035, 6216), (5180, 6042), (5320, 5883), (5565, 5624)]