138575920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:132

約数の個数: 240

約数和(自身を含む): 412205760

約数和(自身を除く): 273629840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 29, 35, 40, 46, 49, 53, 56, 58, 70, 80, 92, 98, 106, 112, 115, 116, 140, 145, 161, 184, 196, 203, 212, 230, 232, 245, 265, 280, 290, 322, 368, 371, 392, 406, 424, 460, 464, 490, 530, 560, 580, 644, 667, 742, 784, 805, 812, 848, 920, 980, 1015, 1060, 1127, 1160, 1219, 1288, 1334, 1421, 1484, 1537, 1610, 1624, 1840, 1855, 1960, 2030, 2120, 2254, 2320, 2438, 2576, 2597, 2668, 2842, 2968, 3074, 3220, 3248, 3335, 3710, 3920, 4060, 4240, 4508, 4669, 4876, 5194, 5336, 5635, 5684, 5936, 6095, 6148, 6440, 6670, 7105, 7420, 7685, 8120, 8533, 9016, 9338, 9752, 10388, 10672, 10759, 11270, 11368, 12190, 12296, 12880, 12985, 13340, 14210, 14840, 15370, 16240, 17066, 18032, 18676, 19504, 20776, 21518, 22540, 22736, 23345, 24380, 24592, 25970, 26680, 28420, 29680, 30740, 32683, 34132, 35351, 37352, 41552, 42665, 43036, 45080, 46690, 48760, 51940, 53360, 53795, 56840, 59731, 61480, 65366, 68264, 70702, 74704, 75313, 85330, 86072, 90160, 93380, 97520, 103880, 107590, 113680, 119462, 122960, 130732, 136528, 141404, 150626, 163415, 170660, 172144, 176755, 186760, 207760, 215180, 238924, 247457, 261464, 282808, 298655, 301252, 326830, 341320, 353510, 373520, 376565, 430360, 477848, 494914, 522928, 565616, 597310, 602504, 653660, 682640, 707020, 753130, 860720, 955696, 989828, 1194620, 1205008, 1237285, 1307320, 1414040, 1506260, 1732199, 1979656, 2389240, 2474570, 2614640, 2828080, 3012520, 3464398, 3959312, 4778480, 4949140, 6025040, 6928796, 8660995, 9898280, 13857592, 17321990, 19796560, 27715184, 34643980, 69287960, 138575920]

約数ペア:

[(1, 138575920), (2, 69287960), (4, 34643980), (5, 27715184), (7, 19796560), (8, 17321990), (10, 13857592), (14, 9898280), (16, 8660995), (20, 6928796), (23, 6025040), (28, 4949140), (29, 4778480), (35, 3959312), (40, 3464398), (46, 3012520), (49, 2828080), (53, 2614640), (56, 2474570), (58, 2389240), (70, 1979656), (80, 1732199), (92, 1506260), (98, 1414040), (106, 1307320), (112, 1237285), (115, 1205008), (116, 1194620), (140, 989828), (145, 955696), (161, 860720), (184, 753130), (196, 707020), (203, 682640), (212, 653660), (230, 602504), (232, 597310), (245, 565616), (265, 522928), (280, 494914), (290, 477848), (322, 430360), (368, 376565), (371, 373520), (392, 353510), (406, 341320), (424, 326830), (460, 301252), (464, 298655), (490, 282808), (530, 261464), (560, 247457), (580, 238924), (644, 215180), (667, 207760), (742, 186760), (784, 176755), (805, 172144), (812, 170660), (848, 163415), (920, 150626), (980, 141404), (1015, 136528), (1060, 130732), (1127, 122960), (1160, 119462), (1219, 113680), (1288, 107590), (1334, 103880), (1421, 97520), (1484, 93380), (1537, 90160), (1610, 86072), (1624, 85330), (1840, 75313), (1855, 74704), (1960, 70702), (2030, 68264), (2120, 65366), (2254, 61480), (2320, 59731), (2438, 56840), (2576, 53795), (2597, 53360), (2668, 51940), (2842, 48760), (2968, 46690), (3074, 45080), (3220, 43036), (3248, 42665), (3335, 41552), (3710, 37352), (3920, 35351), (4060, 34132), (4240, 32683), (4508, 30740), (4669, 29680), (4876, 28420), (5194, 26680), (5336, 25970), (5635, 24592), (5684, 24380), (5936, 23345), (6095, 22736), (6148, 22540), (6440, 21518), (6670, 20776), (7105, 19504), (7420, 18676), (7685, 18032), (8120, 17066), (8533, 16240), (9016, 15370), (9338, 14840), (9752, 14210), (10388, 13340), (10672, 12985), (10759, 12880), (11270, 12296), (11368, 12190)]