74388375

素因数分解:

$3^5\times 5^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 145367040

約数和(自身を除く): 70978665

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 79, 81, 93, 125, 135, 155, 225, 237, 243, 279, 375, 395, 405, 465, 675, 711, 775, 837, 1125, 1185, 1215, 1395, 1975, 2025, 2133, 2325, 2449, 2511, 3375, 3555, 3875, 4185, 5925, 6075, 6399, 6975, 7347, 7533, 9875, 10125, 10665, 11625, 12245, 12555, 17775, 19197, 20925, 22041, 29625, 30375, 31995, 34875, 36735, 37665, 53325, 61225, 62775, 66123, 88875, 95985, 104625, 110205, 159975, 183675, 188325, 198369, 266625, 306125, 313875, 330615, 479925, 551025, 595107, 799875, 918375, 941625, 991845, 1653075, 2399625, 2755125, 2975535, 4959225, 8265375, 14877675, 24796125, 74388375]

約数ペア:

[(1, 74388375), (3, 24796125), (5, 14877675), (9, 8265375), (15, 4959225), (25, 2975535), (27, 2755125), (31, 2399625), (45, 1653075), (75, 991845), (79, 941625), (81, 918375), (93, 799875), (125, 595107), (135, 551025), (155, 479925), (225, 330615), (237, 313875), (243, 306125), (279, 266625), (375, 198369), (395, 188325), (405, 183675), (465, 159975), (675, 110205), (711, 104625), (775, 95985), (837, 88875), (1125, 66123), (1185, 62775), (1215, 61225), (1395, 53325), (1975, 37665), (2025, 36735), (2133, 34875), (2325, 31995), (2449, 30375), (2511, 29625), (3375, 22041), (3555, 20925), (3875, 19197), (4185, 17775), (5925, 12555), (6075, 12245), (6399, 11625), (6975, 10665), (7347, 10125), (7533, 9875)]