199859760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1997}}^1$

素因数の和:2155

約数の個数: 120

約数和(自身を含む): 676362960

約数和(自身を除く): 476503200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 139, 144, 180, 240, 278, 360, 417, 556, 695, 720, 834, 1112, 1251, 1390, 1668, 1997, 2085, 2224, 2502, 2780, 3336, 3994, 4170, 5004, 5560, 5991, 6255, 6672, 7988, 8340, 9985, 10008, 11120, 11982, 12510, 15976, 16680, 17973, 19970, 20016, 23964, 25020, 29955, 31952, 33360, 35946, 39940, 47928, 50040, 59910, 71892, 79880, 89865, 95856, 100080, 119820, 143784, 159760, 179730, 239640, 277583, 287568, 359460, 479280, 555166, 718920, 832749, 1110332, 1387915, 1437840, 1665498, 2220664, 2498247, 2775830, 3330996, 4163745, 4441328, 4996494, 5551660, 6661992, 8327490, 9992988, 11103320, 12491235, 13323984, 16654980, 19985976, 22206640, 24982470, 33309960, 39971952, 49964940, 66619920, 99929880, 199859760]

約数ペア:

[(1, 199859760), (2, 99929880), (3, 66619920), (4, 49964940), (5, 39971952), (6, 33309960), (8, 24982470), (9, 22206640), (10, 19985976), (12, 16654980), (15, 13323984), (16, 12491235), (18, 11103320), (20, 9992988), (24, 8327490), (30, 6661992), (36, 5551660), (40, 4996494), (45, 4441328), (48, 4163745), (60, 3330996), (72, 2775830), (80, 2498247), (90, 2220664), (120, 1665498), (139, 1437840), (144, 1387915), (180, 1110332), (240, 832749), (278, 718920), (360, 555166), (417, 479280), (556, 359460), (695, 287568), (720, 277583), (834, 239640), (1112, 179730), (1251, 159760), (1390, 143784), (1668, 119820), (1997, 100080), (2085, 95856), (2224, 89865), (2502, 79880), (2780, 71892), (3336, 59910), (3994, 50040), (4170, 47928), (5004, 39940), (5560, 35946), (5991, 33360), (6255, 31952), (6672, 29955), (7988, 25020), (8340, 23964), (9985, 20016), (10008, 19970), (11120, 17973), (11982, 16680), (12510, 15976)]