74995840

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 194652720

約数和(自身を除く): 119656880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 61, 64, 68, 80, 85, 113, 122, 128, 136, 160, 170, 226, 244, 272, 305, 320, 340, 452, 488, 544, 565, 610, 640, 680, 904, 976, 1037, 1088, 1130, 1220, 1360, 1808, 1921, 1952, 2074, 2176, 2260, 2440, 2720, 3616, 3842, 3904, 4148, 4520, 4880, 5185, 5440, 6893, 7232, 7684, 7808, 8296, 9040, 9605, 9760, 10370, 10880, 13786, 14464, 15368, 16592, 18080, 19210, 19520, 20740, 27572, 30736, 33184, 34465, 36160, 38420, 39040, 41480, 55144, 61472, 66368, 68930, 72320, 76840, 82960, 110288, 117181, 122944, 132736, 137860, 153680, 165920, 220576, 234362, 245888, 275720, 307360, 331840, 441152, 468724, 551440, 585905, 614720, 663680, 882304, 937448, 1102880, 1171810, 1229440, 1874896, 2205760, 2343620, 3749792, 4411520, 4687240, 7499584, 9374480, 14999168, 18748960, 37497920, 74995840]

約数ペア:

[(1, 74995840), (2, 37497920), (4, 18748960), (5, 14999168), (8, 9374480), (10, 7499584), (16, 4687240), (17, 4411520), (20, 3749792), (32, 2343620), (34, 2205760), (40, 1874896), (61, 1229440), (64, 1171810), (68, 1102880), (80, 937448), (85, 882304), (113, 663680), (122, 614720), (128, 585905), (136, 551440), (160, 468724), (170, 441152), (226, 331840), (244, 307360), (272, 275720), (305, 245888), (320, 234362), (340, 220576), (452, 165920), (488, 153680), (544, 137860), (565, 132736), (610, 122944), (640, 117181), (680, 110288), (904, 82960), (976, 76840), (1037, 72320), (1088, 68930), (1130, 66368), (1220, 61472), (1360, 55144), (1808, 41480), (1921, 39040), (1952, 38420), (2074, 36160), (2176, 34465), (2260, 33184), (2440, 30736), (2720, 27572), (3616, 20740), (3842, 19520), (3904, 19210), (4148, 18080), (4520, 16592), (4880, 15368), (5185, 14464), (5440, 13786), (6893, 10880), (7232, 10370), (7684, 9760), (7808, 9605), (8296, 9040)]