31958010

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1$

素因数の和:517

約数の個数: 128

約数和(自身を含む): 100247040

約数和(自身を除く): 68289030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 37, 42, 45, 54, 63, 70, 74, 90, 105, 111, 126, 135, 185, 189, 210, 222, 259, 270, 315, 333, 370, 378, 457, 518, 555, 630, 666, 777, 914, 945, 999, 1110, 1295, 1371, 1554, 1665, 1890, 1998, 2285, 2331, 2590, 2742, 3199, 3330, 3885, 4113, 4570, 4662, 4995, 6398, 6855, 6993, 7770, 8226, 9597, 9990, 11655, 12339, 13710, 13986, 15995, 16909, 19194, 20565, 23310, 24678, 28791, 31990, 33818, 34965, 41130, 47985, 50727, 57582, 61695, 69930, 84545, 86373, 95970, 101454, 118363, 123390, 143955, 152181, 169090, 172746, 236726, 253635, 287910, 304362, 355089, 431865, 456543, 507270, 591815, 710178, 760905, 863730, 913086, 1065267, 1183630, 1521810, 1775445, 2130534, 2282715, 3195801, 3550890, 4565430, 5326335, 6391602, 10652670, 15979005, 31958010]

約数ペア:

[(1, 31958010), (2, 15979005), (3, 10652670), (5, 6391602), (6, 5326335), (7, 4565430), (9, 3550890), (10, 3195801), (14, 2282715), (15, 2130534), (18, 1775445), (21, 1521810), (27, 1183630), (30, 1065267), (35, 913086), (37, 863730), (42, 760905), (45, 710178), (54, 591815), (63, 507270), (70, 456543), (74, 431865), (90, 355089), (105, 304362), (111, 287910), (126, 253635), (135, 236726), (185, 172746), (189, 169090), (210, 152181), (222, 143955), (259, 123390), (270, 118363), (315, 101454), (333, 95970), (370, 86373), (378, 84545), (457, 69930), (518, 61695), (555, 57582), (630, 50727), (666, 47985), (777, 41130), (914, 34965), (945, 33818), (999, 31990), (1110, 28791), (1295, 24678), (1371, 23310), (1554, 20565), (1665, 19194), (1890, 16909), (1998, 15995), (2285, 13986), (2331, 13710), (2590, 12339), (2742, 11655), (3199, 9990), (3330, 9597), (3885, 8226), (4113, 7770), (4570, 6993), (4662, 6855), (4995, 6398)]