7647960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 25505280

約数和(自身を除く): 17857320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 163, 170, 184, 204, 230, 255, 276, 326, 340, 345, 391, 408, 460, 489, 510, 552, 652, 680, 690, 782, 815, 920, 978, 1020, 1173, 1304, 1380, 1564, 1630, 1955, 1956, 2040, 2346, 2445, 2760, 2771, 3128, 3260, 3749, 3910, 3912, 4692, 4890, 5542, 5865, 6520, 7498, 7820, 8313, 9384, 9780, 11084, 11247, 11730, 13855, 14996, 15640, 16626, 18745, 19560, 22168, 22494, 23460, 27710, 29992, 33252, 37490, 41565, 44988, 46920, 55420, 56235, 63733, 66504, 74980, 83130, 89976, 110840, 112470, 127466, 149960, 166260, 191199, 224940, 254932, 318665, 332520, 382398, 449880, 509864, 637330, 764796, 955995, 1274660, 1529592, 1911990, 2549320, 3823980, 7647960]

約数ペア:

[(1, 7647960), (2, 3823980), (3, 2549320), (4, 1911990), (5, 1529592), (6, 1274660), (8, 955995), (10, 764796), (12, 637330), (15, 509864), (17, 449880), (20, 382398), (23, 332520), (24, 318665), (30, 254932), (34, 224940), (40, 191199), (46, 166260), (51, 149960), (60, 127466), (68, 112470), (69, 110840), (85, 89976), (92, 83130), (102, 74980), (115, 66504), (120, 63733), (136, 56235), (138, 55420), (163, 46920), (170, 44988), (184, 41565), (204, 37490), (230, 33252), (255, 29992), (276, 27710), (326, 23460), (340, 22494), (345, 22168), (391, 19560), (408, 18745), (460, 16626), (489, 15640), (510, 14996), (552, 13855), (652, 11730), (680, 11247), (690, 11084), (782, 9780), (815, 9384), (920, 8313), (978, 7820), (1020, 7498), (1173, 6520), (1304, 5865), (1380, 5542), (1564, 4890), (1630, 4692), (1955, 3912), (1956, 3910), (2040, 3749), (2346, 3260), (2445, 3128), (2760, 2771)]