81382400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2$

素因数の和:75

約数の個数: 198

約数和(自身を含む): 233775588

約数和(自身を除く): 152393188

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 25, 32, 34, 40, 44, 50, 55, 64, 68, 80, 85, 88, 100, 110, 128, 136, 160, 170, 176, 187, 200, 220, 256, 272, 275, 289, 320, 340, 352, 374, 400, 425, 440, 512, 544, 550, 578, 640, 680, 704, 748, 800, 850, 880, 935, 1024, 1088, 1100, 1156, 1280, 1360, 1408, 1445, 1496, 1600, 1700, 1760, 1870, 2176, 2200, 2312, 2560, 2720, 2816, 2890, 2992, 3179, 3200, 3400, 3520, 3740, 4352, 4400, 4624, 4675, 5120, 5440, 5632, 5780, 5984, 6358, 6400, 6800, 7040, 7225, 7480, 8704, 8800, 9248, 9350, 10880, 11264, 11560, 11968, 12716, 12800, 13600, 14080, 14450, 14960, 15895, 17408, 17600, 18496, 18700, 21760, 23120, 23936, 25432, 25600, 27200, 28160, 28900, 29920, 31790, 35200, 36992, 37400, 43520, 46240, 47872, 50864, 54400, 56320, 57800, 59840, 63580, 70400, 73984, 74800, 79475, 87040, 92480, 95744, 101728, 108800, 115600, 119680, 127160, 140800, 147968, 149600, 158950, 184960, 191488, 203456, 217600, 231200, 239360, 254320, 281600, 295936, 299200, 317900, 369920, 406912, 435200, 462400, 478720, 508640, 598400, 635800, 739840, 813824, 924800, 957440, 1017280, 1196800, 1271600, 1479680, 1627648, 1849600, 2034560, 2393600, 2543200, 3255296, 3699200, 4069120, 4787200, 5086400, 7398400, 8138240, 10172800, 16276480, 20345600, 40691200, 81382400]

約数ペア:

[(1, 81382400), (2, 40691200), (4, 20345600), (5, 16276480), (8, 10172800), (10, 8138240), (11, 7398400), (16, 5086400), (17, 4787200), (20, 4069120), (22, 3699200), (25, 3255296), (32, 2543200), (34, 2393600), (40, 2034560), (44, 1849600), (50, 1627648), (55, 1479680), (64, 1271600), (68, 1196800), (80, 1017280), (85, 957440), (88, 924800), (100, 813824), (110, 739840), (128, 635800), (136, 598400), (160, 508640), (170, 478720), (176, 462400), (187, 435200), (200, 406912), (220, 369920), (256, 317900), (272, 299200), (275, 295936), (289, 281600), (320, 254320), (340, 239360), (352, 231200), (374, 217600), (400, 203456), (425, 191488), (440, 184960), (512, 158950), (544, 149600), (550, 147968), (578, 140800), (640, 127160), (680, 119680), (704, 115600), (748, 108800), (800, 101728), (850, 95744), (880, 92480), (935, 87040), (1024, 79475), (1088, 74800), (1100, 73984), (1156, 70400), (1280, 63580), (1360, 59840), (1408, 57800), (1445, 56320), (1496, 54400), (1600, 50864), (1700, 47872), (1760, 46240), (1870, 43520), (2176, 37400), (2200, 36992), (2312, 35200), (2560, 31790), (2720, 29920), (2816, 28900), (2890, 28160), (2992, 27200), (3179, 25600), (3200, 25432), (3400, 23936), (3520, 23120), (3740, 21760), (4352, 18700), (4400, 18496), (4624, 17600), (4675, 17408), (5120, 15895), (5440, 14960), (5632, 14450), (5780, 14080), (5984, 13600), (6358, 12800), (6400, 12716), (6800, 11968), (7040, 11560), (7225, 11264), (7480, 10880), (8704, 9350), (8800, 9248)]