81654400

素因数分解:

$2^7\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:139

約数の個数: 192

約数和(自身を含む): 227664000

約数和(自身を除く): 146009600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 25, 32, 34, 38, 40, 50, 64, 68, 76, 79, 80, 85, 95, 100, 128, 136, 152, 158, 160, 170, 190, 200, 272, 304, 316, 320, 323, 340, 380, 395, 400, 425, 475, 544, 608, 632, 640, 646, 680, 760, 790, 800, 850, 950, 1088, 1216, 1264, 1292, 1343, 1360, 1501, 1520, 1580, 1600, 1615, 1700, 1900, 1975, 2176, 2432, 2528, 2584, 2686, 2720, 3002, 3040, 3160, 3200, 3230, 3400, 3800, 3950, 5056, 5168, 5372, 5440, 6004, 6080, 6320, 6460, 6715, 6800, 7505, 7600, 7900, 8075, 10112, 10336, 10744, 10880, 12008, 12160, 12640, 12920, 13430, 13600, 15010, 15200, 15800, 16150, 20672, 21488, 24016, 25280, 25517, 25840, 26860, 27200, 30020, 30400, 31600, 32300, 33575, 37525, 41344, 42976, 48032, 50560, 51034, 51680, 53720, 54400, 60040, 60800, 63200, 64600, 67150, 75050, 85952, 96064, 102068, 103360, 107440, 120080, 126400, 127585, 129200, 134300, 150100, 171904, 192128, 204136, 206720, 214880, 240160, 252800, 255170, 258400, 268600, 300200, 408272, 429760, 480320, 510340, 516800, 537200, 600400, 637925, 816544, 859520, 960640, 1020680, 1033600, 1074400, 1200800, 1275850, 1633088, 2041360, 2148800, 2401600, 2551700, 3266176, 4082720, 4297600, 4803200, 5103400, 8165440, 10206800, 16330880, 20413600, 40827200, 81654400]

約数ペア:

[(1, 81654400), (2, 40827200), (4, 20413600), (5, 16330880), (8, 10206800), (10, 8165440), (16, 5103400), (17, 4803200), (19, 4297600), (20, 4082720), (25, 3266176), (32, 2551700), (34, 2401600), (38, 2148800), (40, 2041360), (50, 1633088), (64, 1275850), (68, 1200800), (76, 1074400), (79, 1033600), (80, 1020680), (85, 960640), (95, 859520), (100, 816544), (128, 637925), (136, 600400), (152, 537200), (158, 516800), (160, 510340), (170, 480320), (190, 429760), (200, 408272), (272, 300200), (304, 268600), (316, 258400), (320, 255170), (323, 252800), (340, 240160), (380, 214880), (395, 206720), (400, 204136), (425, 192128), (475, 171904), (544, 150100), (608, 134300), (632, 129200), (640, 127585), (646, 126400), (680, 120080), (760, 107440), (790, 103360), (800, 102068), (850, 96064), (950, 85952), (1088, 75050), (1216, 67150), (1264, 64600), (1292, 63200), (1343, 60800), (1360, 60040), (1501, 54400), (1520, 53720), (1580, 51680), (1600, 51034), (1615, 50560), (1700, 48032), (1900, 42976), (1975, 41344), (2176, 37525), (2432, 33575), (2528, 32300), (2584, 31600), (2686, 30400), (2720, 30020), (3002, 27200), (3040, 26860), (3160, 25840), (3200, 25517), (3230, 25280), (3400, 24016), (3800, 21488), (3950, 20672), (5056, 16150), (5168, 15800), (5372, 15200), (5440, 15010), (6004, 13600), (6080, 13430), (6320, 12920), (6460, 12640), (6715, 12160), (6800, 12008), (7505, 10880), (7600, 10744), (7900, 10336), (8075, 10112)]