254114640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1597}}^1$

素因数の和:1646

約数の個数: 240

約数和(自身を含む): 973718928

約数和(自身を除く): 719604288

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 48, 51, 52, 60, 65, 68, 72, 78, 80, 85, 90, 102, 104, 117, 120, 130, 136, 144, 153, 156, 170, 180, 195, 204, 208, 221, 234, 240, 255, 260, 272, 306, 312, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 624, 663, 680, 720, 765, 780, 816, 884, 936, 1020, 1040, 1105, 1170, 1224, 1326, 1360, 1530, 1560, 1597, 1768, 1872, 1989, 2040, 2210, 2340, 2448, 2652, 3060, 3120, 3194, 3315, 3536, 3978, 4080, 4420, 4680, 4791, 5304, 6120, 6388, 6630, 7956, 7985, 8840, 9360, 9582, 9945, 10608, 12240, 12776, 13260, 14373, 15912, 15970, 17680, 19164, 19890, 20761, 23955, 25552, 26520, 27149, 28746, 31824, 31940, 38328, 39780, 41522, 47910, 53040, 54298, 57492, 62283, 63880, 71865, 76656, 79560, 81447, 83044, 95820, 103805, 108596, 114984, 124566, 127760, 135745, 143730, 159120, 162894, 166088, 186849, 191640, 207610, 217192, 229968, 244341, 249132, 271490, 287460, 311415, 325788, 332176, 352937, 373698, 383280, 407235, 415220, 434384, 488682, 498264, 542980, 574920, 622830, 651576, 705874, 747396, 814470, 830440, 934245, 977364, 996528, 1058811, 1085960, 1149840, 1221705, 1245660, 1303152, 1411748, 1494792, 1628940, 1660880, 1764685, 1868490, 1954728, 2117622, 2171920, 2443410, 2491320, 2823496, 2989584, 3176433, 3257880, 3529370, 3736980, 3909456, 4235244, 4886820, 4982640, 5294055, 5646992, 6352866, 6515760, 7058740, 7473960, 8470488, 9773640, 10588110, 12705732, 14117480, 14947920, 15882165, 16940976, 19547280, 21176220, 25411464, 28234960, 31764330, 42352440, 50822928, 63528660, 84704880, 127057320, 254114640]

約数ペア:

[(1, 254114640), (2, 127057320), (3, 84704880), (4, 63528660), (5, 50822928), (6, 42352440), (8, 31764330), (9, 28234960), (10, 25411464), (12, 21176220), (13, 19547280), (15, 16940976), (16, 15882165), (17, 14947920), (18, 14117480), (20, 12705732), (24, 10588110), (26, 9773640), (30, 8470488), (34, 7473960), (36, 7058740), (39, 6515760), (40, 6352866), (45, 5646992), (48, 5294055), (51, 4982640), (52, 4886820), (60, 4235244), (65, 3909456), (68, 3736980), (72, 3529370), (78, 3257880), (80, 3176433), (85, 2989584), (90, 2823496), (102, 2491320), (104, 2443410), (117, 2171920), (120, 2117622), (130, 1954728), (136, 1868490), (144, 1764685), (153, 1660880), (156, 1628940), (170, 1494792), (180, 1411748), (195, 1303152), (204, 1245660), (208, 1221705), (221, 1149840), (234, 1085960), (240, 1058811), (255, 996528), (260, 977364), (272, 934245), (306, 830440), (312, 814470), (340, 747396), (360, 705874), (390, 651576), (408, 622830), (442, 574920), (468, 542980), (510, 498264), (520, 488682), (585, 434384), (612, 415220), (624, 407235), (663, 383280), (680, 373698), (720, 352937), (765, 332176), (780, 325788), (816, 311415), (884, 287460), (936, 271490), (1020, 249132), (1040, 244341), (1105, 229968), (1170, 217192), (1224, 207610), (1326, 191640), (1360, 186849), (1530, 166088), (1560, 162894), (1597, 159120), (1768, 143730), (1872, 135745), (1989, 127760), (2040, 124566), (2210, 114984), (2340, 108596), (2448, 103805), (2652, 95820), (3060, 83044), (3120, 81447), (3194, 79560), (3315, 76656), (3536, 71865), (3978, 63880), (4080, 62283), (4420, 57492), (4680, 54298), (4791, 53040), (5304, 47910), (6120, 41522), (6388, 39780), (6630, 38328), (7956, 31940), (7985, 31824), (8840, 28746), (9360, 27149), (9582, 26520), (9945, 25552), (10608, 23955), (12240, 20761), (12776, 19890), (13260, 19164), (14373, 17680), (15912, 15970)]