7138040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 128

約数和(自身を含む): 20684160

約数和(自身を除く): 13546120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 52, 53, 56, 65, 70, 74, 91, 104, 106, 130, 140, 148, 182, 185, 212, 259, 260, 265, 280, 296, 364, 370, 371, 424, 455, 481, 518, 520, 530, 689, 728, 740, 742, 910, 962, 1036, 1060, 1295, 1378, 1480, 1484, 1820, 1855, 1924, 1961, 2072, 2120, 2405, 2590, 2756, 2968, 3367, 3445, 3640, 3710, 3848, 3922, 4810, 4823, 5180, 5512, 6734, 6890, 7420, 7844, 9620, 9646, 9805, 10360, 13468, 13727, 13780, 14840, 15688, 16835, 19240, 19292, 19610, 24115, 25493, 26936, 27454, 27560, 33670, 38584, 39220, 48230, 50986, 54908, 67340, 68635, 78440, 96460, 101972, 109816, 127465, 134680, 137270, 178451, 192920, 203944, 254930, 274540, 356902, 509860, 549080, 713804, 892255, 1019720, 1427608, 1784510, 3569020, 7138040]

約数ペア:

[(1, 7138040), (2, 3569020), (4, 1784510), (5, 1427608), (7, 1019720), (8, 892255), (10, 713804), (13, 549080), (14, 509860), (20, 356902), (26, 274540), (28, 254930), (35, 203944), (37, 192920), (40, 178451), (52, 137270), (53, 134680), (56, 127465), (65, 109816), (70, 101972), (74, 96460), (91, 78440), (104, 68635), (106, 67340), (130, 54908), (140, 50986), (148, 48230), (182, 39220), (185, 38584), (212, 33670), (259, 27560), (260, 27454), (265, 26936), (280, 25493), (296, 24115), (364, 19610), (370, 19292), (371, 19240), (424, 16835), (455, 15688), (481, 14840), (518, 13780), (520, 13727), (530, 13468), (689, 10360), (728, 9805), (740, 9646), (742, 9620), (910, 7844), (962, 7420), (1036, 6890), (1060, 6734), (1295, 5512), (1378, 5180), (1480, 4823), (1484, 4810), (1820, 3922), (1855, 3848), (1924, 3710), (1961, 3640), (2072, 3445), (2120, 3367), (2405, 2968), (2590, 2756)]