81170748

素因数分解:

$2^2\times 3^5\times {\mathrm{37}}^2\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 108

約数和(自身を含む): 222272232

約数和(自身を除く): 141101484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 61, 74, 81, 108, 111, 122, 148, 162, 183, 222, 243, 244, 324, 333, 366, 444, 486, 549, 666, 732, 972, 999, 1098, 1332, 1369, 1647, 1998, 2196, 2257, 2738, 2997, 3294, 3996, 4107, 4514, 4941, 5476, 5994, 6588, 6771, 8214, 8991, 9028, 9882, 11988, 12321, 13542, 14823, 16428, 17982, 19764, 20313, 24642, 27084, 29646, 35964, 36963, 40626, 49284, 59292, 60939, 73926, 81252, 83509, 110889, 121878, 147852, 167018, 182817, 221778, 243756, 250527, 332667, 334036, 365634, 443556, 501054, 548451, 665334, 731268, 751581, 1002108, 1096902, 1330668, 1503162, 2193804, 2254743, 3006324, 4509486, 6764229, 9018972, 13528458, 20292687, 27056916, 40585374, 81170748]

約数ペア:

[(1, 81170748), (2, 40585374), (3, 27056916), (4, 20292687), (6, 13528458), (9, 9018972), (12, 6764229), (18, 4509486), (27, 3006324), (36, 2254743), (37, 2193804), (54, 1503162), (61, 1330668), (74, 1096902), (81, 1002108), (108, 751581), (111, 731268), (122, 665334), (148, 548451), (162, 501054), (183, 443556), (222, 365634), (243, 334036), (244, 332667), (324, 250527), (333, 243756), (366, 221778), (444, 182817), (486, 167018), (549, 147852), (666, 121878), (732, 110889), (972, 83509), (999, 81252), (1098, 73926), (1332, 60939), (1369, 59292), (1647, 49284), (1998, 40626), (2196, 36963), (2257, 35964), (2738, 29646), (2997, 27084), (3294, 24642), (3996, 20313), (4107, 19764), (4514, 17982), (4941, 16428), (5476, 14823), (5994, 13542), (6588, 12321), (6771, 11988), (8214, 9882), (8991, 9028)]