254569980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 288

約数和(自身を含む): 909425664

約数和(自身を除く): 654855684

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 23, 28, 30, 35, 38, 42, 46, 57, 60, 69, 70, 73, 76, 84, 92, 95, 105, 114, 115, 133, 138, 140, 146, 161, 190, 210, 219, 228, 230, 266, 276, 285, 292, 322, 345, 361, 365, 380, 399, 420, 437, 438, 460, 483, 511, 532, 570, 644, 665, 690, 722, 730, 798, 805, 874, 876, 966, 1022, 1083, 1095, 1140, 1311, 1330, 1380, 1387, 1444, 1460, 1533, 1596, 1610, 1679, 1748, 1805, 1932, 1995, 2044, 2166, 2185, 2190, 2415, 2527, 2555, 2622, 2660, 2774, 3059, 3066, 3220, 3358, 3610, 3990, 4161, 4332, 4370, 4380, 4830, 5037, 5054, 5110, 5244, 5415, 5548, 6118, 6132, 6555, 6716, 6935, 7220, 7581, 7665, 7980, 8303, 8322, 8395, 8740, 9177, 9660, 9709, 10074, 10108, 10220, 10830, 11753, 12236, 12635, 13110, 13870, 15162, 15295, 15330, 16606, 16644, 16790, 18354, 19418, 20148, 20805, 21660, 23506, 24909, 25185, 25270, 26220, 26353, 27740, 29127, 30324, 30590, 30660, 31901, 33212, 33580, 35259, 36708, 37905, 38836, 41515, 41610, 45885, 47012, 48545, 49818, 50370, 50540, 52706, 58121, 58254, 58765, 61180, 63802, 70518, 75810, 79059, 83030, 83220, 91770, 95703, 97090, 99636, 100740, 105412, 116242, 116508, 117530, 124545, 127604, 131765, 141036, 145635, 151620, 158118, 159505, 166060, 174363, 176295, 183540, 184471, 191406, 194180, 223307, 232484, 235060, 249090, 263530, 290605, 291270, 316236, 319010, 348726, 352590, 368942, 382812, 395295, 446614, 478515, 498180, 527060, 553413, 581210, 582540, 606119, 638020, 669921, 697452, 705180, 737884, 790590, 871815, 893228, 922355, 957030, 1106826, 1116535, 1162420, 1212238, 1339842, 1581180, 1743630, 1818357, 1844710, 1914060, 2213652, 2233070, 2424476, 2679684, 2767065, 3030595, 3349605, 3487260, 3636714, 3689420, 4242833, 4466140, 5534130, 6061190, 6699210, 7273428, 8485666, 9091785, 11068260, 12122380, 12728499, 13398420, 16971332, 18183570, 21214165, 25456998, 36367140, 42428330, 50913996, 63642495, 84856660, 127284990, 254569980]

約数ペア:

[(1, 254569980), (2, 127284990), (3, 84856660), (4, 63642495), (5, 50913996), (6, 42428330), (7, 36367140), (10, 25456998), (12, 21214165), (14, 18183570), (15, 16971332), (19, 13398420), (20, 12728499), (21, 12122380), (23, 11068260), (28, 9091785), (30, 8485666), (35, 7273428), (38, 6699210), (42, 6061190), (46, 5534130), (57, 4466140), (60, 4242833), (69, 3689420), (70, 3636714), (73, 3487260), (76, 3349605), (84, 3030595), (92, 2767065), (95, 2679684), (105, 2424476), (114, 2233070), (115, 2213652), (133, 1914060), (138, 1844710), (140, 1818357), (146, 1743630), (161, 1581180), (190, 1339842), (210, 1212238), (219, 1162420), (228, 1116535), (230, 1106826), (266, 957030), (276, 922355), (285, 893228), (292, 871815), (322, 790590), (345, 737884), (361, 705180), (365, 697452), (380, 669921), (399, 638020), (420, 606119), (437, 582540), (438, 581210), (460, 553413), (483, 527060), (511, 498180), (532, 478515), (570, 446614), (644, 395295), (665, 382812), (690, 368942), (722, 352590), (730, 348726), (798, 319010), (805, 316236), (874, 291270), (876, 290605), (966, 263530), (1022, 249090), (1083, 235060), (1095, 232484), (1140, 223307), (1311, 194180), (1330, 191406), (1380, 184471), (1387, 183540), (1444, 176295), (1460, 174363), (1533, 166060), (1596, 159505), (1610, 158118), (1679, 151620), (1748, 145635), (1805, 141036), (1932, 131765), (1995, 127604), (2044, 124545), (2166, 117530), (2185, 116508), (2190, 116242), (2415, 105412), (2527, 100740), (2555, 99636), (2622, 97090), (2660, 95703), (2774, 91770), (3059, 83220), (3066, 83030), (3220, 79059), (3358, 75810), (3610, 70518), (3990, 63802), (4161, 61180), (4332, 58765), (4370, 58254), (4380, 58121), (4830, 52706), (5037, 50540), (5054, 50370), (5110, 49818), (5244, 48545), (5415, 47012), (5548, 45885), (6118, 41610), (6132, 41515), (6555, 38836), (6716, 37905), (6935, 36708), (7220, 35259), (7581, 33580), (7665, 33212), (7980, 31901), (8303, 30660), (8322, 30590), (8395, 30324), (8740, 29127), (9177, 27740), (9660, 26353), (9709, 26220), (10074, 25270), (10108, 25185), (10220, 24909), (10830, 23506), (11753, 21660), (12236, 20805), (12635, 20148), (13110, 19418), (13870, 18354), (15162, 16790), (15295, 16644), (15330, 16606)]