81171480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{853}}^1$

素因数の和:941

約数の個数: 128

約数和(自身を含む): 266857920

約数和(自身を除く): 185686440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 61, 65, 78, 104, 120, 122, 130, 156, 183, 195, 244, 260, 305, 312, 366, 390, 488, 520, 610, 732, 780, 793, 853, 915, 1220, 1464, 1560, 1586, 1706, 1830, 2379, 2440, 2559, 3172, 3412, 3660, 3965, 4265, 4758, 5118, 6344, 6824, 7320, 7930, 8530, 9516, 10236, 11089, 11895, 12795, 15860, 17060, 19032, 20472, 22178, 23790, 25590, 31720, 33267, 34120, 44356, 47580, 51180, 52033, 55445, 66534, 88712, 95160, 102360, 104066, 110890, 133068, 156099, 166335, 208132, 221780, 260165, 266136, 312198, 332670, 416264, 443560, 520330, 624396, 665340, 676429, 780495, 1040660, 1248792, 1330680, 1352858, 1560990, 2029287, 2081320, 2705716, 3121980, 3382145, 4058574, 5411432, 6243960, 6764290, 8117148, 10146435, 13528580, 16234296, 20292870, 27057160, 40585740, 81171480]

約数ペア:

[(1, 81171480), (2, 40585740), (3, 27057160), (4, 20292870), (5, 16234296), (6, 13528580), (8, 10146435), (10, 8117148), (12, 6764290), (13, 6243960), (15, 5411432), (20, 4058574), (24, 3382145), (26, 3121980), (30, 2705716), (39, 2081320), (40, 2029287), (52, 1560990), (60, 1352858), (61, 1330680), (65, 1248792), (78, 1040660), (104, 780495), (120, 676429), (122, 665340), (130, 624396), (156, 520330), (183, 443560), (195, 416264), (244, 332670), (260, 312198), (305, 266136), (312, 260165), (366, 221780), (390, 208132), (488, 166335), (520, 156099), (610, 133068), (732, 110890), (780, 104066), (793, 102360), (853, 95160), (915, 88712), (1220, 66534), (1464, 55445), (1560, 52033), (1586, 51180), (1706, 47580), (1830, 44356), (2379, 34120), (2440, 33267), (2559, 31720), (3172, 25590), (3412, 23790), (3660, 22178), (3965, 20472), (4265, 19032), (4758, 17060), (5118, 15860), (6344, 12795), (6824, 11895), (7320, 11089), (7930, 10236), (8530, 9516)]