3213808520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1723}}^1$

素因数の和:1975

約数の個数: 128

約数和(自身を含む): 8289267840

約数和(自身を除く): 5075459320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 211, 221, 260, 340, 422, 442, 520, 680, 844, 884, 1055, 1105, 1688, 1723, 1768, 2110, 2210, 2743, 3446, 3587, 4220, 4420, 5486, 6892, 7174, 8440, 8615, 8840, 10972, 13715, 13784, 14348, 17230, 17935, 21944, 22399, 27430, 28696, 29291, 34460, 35870, 44798, 46631, 54860, 58582, 68920, 71740, 89596, 93262, 109720, 111995, 117164, 143480, 146455, 179192, 186524, 223990, 233155, 234328, 292910, 363553, 373048, 380783, 447980, 466310, 585820, 727106, 761566, 895960, 932620, 1171640, 1454212, 1523132, 1817765, 1865240, 1903915, 2908424, 3046264, 3635530, 3807830, 4726189, 6180401, 7271060, 7615660, 9452378, 12360802, 14542120, 15231320, 18904756, 23630945, 24721604, 30902005, 37809512, 47261890, 49443208, 61804010, 80345213, 94523780, 123608020, 160690426, 189047560, 247216040, 321380852, 401726065, 642761704, 803452130, 1606904260, 3213808520]

約数ペア:

[(1, 3213808520), (2, 1606904260), (4, 803452130), (5, 642761704), (8, 401726065), (10, 321380852), (13, 247216040), (17, 189047560), (20, 160690426), (26, 123608020), (34, 94523780), (40, 80345213), (52, 61804010), (65, 49443208), (68, 47261890), (85, 37809512), (104, 30902005), (130, 24721604), (136, 23630945), (170, 18904756), (211, 15231320), (221, 14542120), (260, 12360802), (340, 9452378), (422, 7615660), (442, 7271060), (520, 6180401), (680, 4726189), (844, 3807830), (884, 3635530), (1055, 3046264), (1105, 2908424), (1688, 1903915), (1723, 1865240), (1768, 1817765), (2110, 1523132), (2210, 1454212), (2743, 1171640), (3446, 932620), (3587, 895960), (4220, 761566), (4420, 727106), (5486, 585820), (6892, 466310), (7174, 447980), (8440, 380783), (8615, 373048), (8840, 363553), (10972, 292910), (13715, 234328), (13784, 233155), (14348, 223990), (17230, 186524), (17935, 179192), (21944, 146455), (22399, 143480), (27430, 117164), (28696, 111995), (29291, 109720), (34460, 93262), (35870, 89596), (44798, 71740), (46631, 68920), (54860, 58582)]