128517200

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:194

約数の個数: 180

約数和(自身を含む): 368101440

約数和(自身を除く): 239584240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 79, 80, 83, 98, 100, 112, 140, 158, 166, 175, 196, 200, 245, 280, 316, 332, 350, 392, 395, 400, 415, 490, 553, 560, 581, 632, 664, 700, 784, 790, 830, 980, 1106, 1162, 1225, 1264, 1328, 1400, 1580, 1660, 1960, 1975, 2075, 2212, 2324, 2450, 2765, 2800, 2905, 3160, 3320, 3871, 3920, 3950, 4067, 4150, 4424, 4648, 4900, 5530, 5810, 6320, 6557, 6640, 7742, 7900, 8134, 8300, 8848, 9296, 9800, 11060, 11620, 13114, 13825, 14525, 15484, 15800, 16268, 16600, 19355, 19600, 20335, 22120, 23240, 26228, 27650, 29050, 30968, 31600, 32536, 32785, 33200, 38710, 40670, 44240, 45899, 46480, 52456, 55300, 58100, 61936, 65072, 65570, 77420, 81340, 91798, 96775, 101675, 104912, 110600, 116200, 131140, 154840, 162680, 163925, 183596, 193550, 203350, 221200, 229495, 232400, 262280, 309680, 321293, 325360, 327850, 367192, 387100, 406700, 458990, 524560, 642586, 655700, 734384, 774200, 813400, 917980, 1147475, 1285172, 1311400, 1548400, 1606465, 1626800, 1835960, 2294950, 2570344, 2622800, 3212930, 3671920, 4589900, 5140688, 6425860, 8032325, 9179800, 12851720, 16064650, 18359600, 25703440, 32129300, 64258600, 128517200]

約数ペア:

[(1, 128517200), (2, 64258600), (4, 32129300), (5, 25703440), (7, 18359600), (8, 16064650), (10, 12851720), (14, 9179800), (16, 8032325), (20, 6425860), (25, 5140688), (28, 4589900), (35, 3671920), (40, 3212930), (49, 2622800), (50, 2570344), (56, 2294950), (70, 1835960), (79, 1626800), (80, 1606465), (83, 1548400), (98, 1311400), (100, 1285172), (112, 1147475), (140, 917980), (158, 813400), (166, 774200), (175, 734384), (196, 655700), (200, 642586), (245, 524560), (280, 458990), (316, 406700), (332, 387100), (350, 367192), (392, 327850), (395, 325360), (400, 321293), (415, 309680), (490, 262280), (553, 232400), (560, 229495), (581, 221200), (632, 203350), (664, 193550), (700, 183596), (784, 163925), (790, 162680), (830, 154840), (980, 131140), (1106, 116200), (1162, 110600), (1225, 104912), (1264, 101675), (1328, 96775), (1400, 91798), (1580, 81340), (1660, 77420), (1960, 65570), (1975, 65072), (2075, 61936), (2212, 58100), (2324, 55300), (2450, 52456), (2765, 46480), (2800, 45899), (2905, 44240), (3160, 40670), (3320, 38710), (3871, 33200), (3920, 32785), (3950, 32536), (4067, 31600), (4150, 30968), (4424, 29050), (4648, 27650), (4900, 26228), (5530, 23240), (5810, 22120), (6320, 20335), (6557, 19600), (6640, 19355), (7742, 16600), (7900, 16268), (8134, 15800), (8300, 15484), (8848, 14525), (9296, 13825), (9800, 13114), (11060, 11620)]