245151680

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:758

約数の個数: 112

約数和(自身を含む): 625510560

約数和(自身を除く): 380358880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 61, 64, 76, 80, 95, 122, 152, 160, 190, 244, 304, 305, 320, 380, 488, 608, 610, 661, 760, 976, 1159, 1216, 1220, 1322, 1520, 1952, 2318, 2440, 2644, 3040, 3305, 3904, 4636, 4880, 5288, 5795, 6080, 6610, 9272, 9760, 10576, 11590, 12559, 13220, 18544, 19520, 21152, 23180, 25118, 26440, 37088, 40321, 42304, 46360, 50236, 52880, 62795, 74176, 80642, 92720, 100472, 105760, 125590, 161284, 185440, 200944, 201605, 211520, 251180, 322568, 370880, 401888, 403210, 502360, 645136, 766099, 803776, 806420, 1004720, 1290272, 1532198, 1612840, 2009440, 2580544, 3064396, 3225680, 3830495, 4018880, 6128792, 6451360, 7660990, 12257584, 12902720, 15321980, 24515168, 30643960, 49030336, 61287920, 122575840, 245151680]

約数ペア:

[(1, 245151680), (2, 122575840), (4, 61287920), (5, 49030336), (8, 30643960), (10, 24515168), (16, 15321980), (19, 12902720), (20, 12257584), (32, 7660990), (38, 6451360), (40, 6128792), (61, 4018880), (64, 3830495), (76, 3225680), (80, 3064396), (95, 2580544), (122, 2009440), (152, 1612840), (160, 1532198), (190, 1290272), (244, 1004720), (304, 806420), (305, 803776), (320, 766099), (380, 645136), (488, 502360), (608, 403210), (610, 401888), (661, 370880), (760, 322568), (976, 251180), (1159, 211520), (1216, 201605), (1220, 200944), (1322, 185440), (1520, 161284), (1952, 125590), (2318, 105760), (2440, 100472), (2644, 92720), (3040, 80642), (3305, 74176), (3904, 62795), (4636, 52880), (4880, 50236), (5288, 46360), (5795, 42304), (6080, 40321), (6610, 37088), (9272, 26440), (9760, 25118), (10576, 23180), (11590, 21152), (12559, 19520), (13220, 18544)]