78667245

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 151721856

約数和(自身を除く): 73054611

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 153, 207, 255, 263, 289, 345, 391, 765, 789, 867, 1035, 1173, 1315, 1445, 1955, 2367, 2601, 3519, 3945, 4335, 4471, 5865, 6049, 6647, 11835, 13005, 13413, 17595, 18147, 19941, 22355, 30245, 33235, 40239, 54441, 59823, 67065, 76007, 90735, 99705, 102833, 201195, 228021, 272205, 299115, 308499, 380035, 514165, 684063, 925497, 1140105, 1542495, 1748161, 3420315, 4627485, 5244483, 8740805, 15733449, 26222415, 78667245]

約数ペア:

[(1, 78667245), (3, 26222415), (5, 15733449), (9, 8740805), (15, 5244483), (17, 4627485), (23, 3420315), (45, 1748161), (51, 1542495), (69, 1140105), (85, 925497), (115, 684063), (153, 514165), (207, 380035), (255, 308499), (263, 299115), (289, 272205), (345, 228021), (391, 201195), (765, 102833), (789, 99705), (867, 90735), (1035, 76007), (1173, 67065), (1315, 59823), (1445, 54441), (1955, 40239), (2367, 33235), (2601, 30245), (3519, 22355), (3945, 19941), (4335, 18147), (4471, 17595), (5865, 13413), (6049, 13005), (6647, 11835)]