251239560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^5\times {\mathrm{13}}^1$

素因数の和:82

約数の個数: 192

約数和(自身を含む): 892866240

約数和(自身を除く): 641626680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 121, 130, 132, 143, 156, 165, 195, 220, 242, 260, 264, 286, 312, 330, 363, 390, 429, 440, 484, 520, 572, 605, 660, 715, 726, 780, 858, 968, 1144, 1210, 1320, 1331, 1430, 1452, 1560, 1573, 1716, 1815, 2145, 2420, 2662, 2860, 2904, 3146, 3432, 3630, 3993, 4290, 4719, 4840, 5324, 5720, 6292, 6655, 7260, 7865, 7986, 8580, 9438, 10648, 12584, 13310, 14520, 14641, 15730, 15972, 17160, 17303, 18876, 19965, 23595, 26620, 29282, 31460, 31944, 34606, 37752, 39930, 43923, 47190, 51909, 53240, 58564, 62920, 69212, 73205, 79860, 86515, 87846, 94380, 103818, 117128, 138424, 146410, 159720, 161051, 173030, 175692, 188760, 190333, 207636, 219615, 259545, 292820, 322102, 346060, 351384, 380666, 415272, 439230, 483153, 519090, 570999, 585640, 644204, 692120, 761332, 805255, 878460, 951665, 966306, 1038180, 1141998, 1288408, 1522664, 1610510, 1756920, 1903330, 1932612, 2076360, 2093663, 2283996, 2415765, 2854995, 3221020, 3806660, 3865224, 4187326, 4567992, 4831530, 5709990, 6280989, 6442040, 7613320, 8374652, 9663060, 10468315, 11419980, 12561978, 16749304, 19326120, 20936630, 22839960, 25123956, 31404945, 41873260, 50247912, 62809890, 83746520, 125619780, 251239560]

約数ペア:

[(1, 251239560), (2, 125619780), (3, 83746520), (4, 62809890), (5, 50247912), (6, 41873260), (8, 31404945), (10, 25123956), (11, 22839960), (12, 20936630), (13, 19326120), (15, 16749304), (20, 12561978), (22, 11419980), (24, 10468315), (26, 9663060), (30, 8374652), (33, 7613320), (39, 6442040), (40, 6280989), (44, 5709990), (52, 4831530), (55, 4567992), (60, 4187326), (65, 3865224), (66, 3806660), (78, 3221020), (88, 2854995), (104, 2415765), (110, 2283996), (120, 2093663), (121, 2076360), (130, 1932612), (132, 1903330), (143, 1756920), (156, 1610510), (165, 1522664), (195, 1288408), (220, 1141998), (242, 1038180), (260, 966306), (264, 951665), (286, 878460), (312, 805255), (330, 761332), (363, 692120), (390, 644204), (429, 585640), (440, 570999), (484, 519090), (520, 483153), (572, 439230), (605, 415272), (660, 380666), (715, 351384), (726, 346060), (780, 322102), (858, 292820), (968, 259545), (1144, 219615), (1210, 207636), (1320, 190333), (1331, 188760), (1430, 175692), (1452, 173030), (1560, 161051), (1573, 159720), (1716, 146410), (1815, 138424), (2145, 117128), (2420, 103818), (2662, 94380), (2860, 87846), (2904, 86515), (3146, 79860), (3432, 73205), (3630, 69212), (3993, 62920), (4290, 58564), (4719, 53240), (4840, 51909), (5324, 47190), (5720, 43923), (6292, 39930), (6655, 37752), (7260, 34606), (7865, 31944), (7986, 31460), (8580, 29282), (9438, 26620), (10648, 23595), (12584, 19965), (13310, 18876), (14520, 17303), (14641, 17160), (15730, 15972)]