31557240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:654

約数の個数: 192

約数和(自身を含む): 120687840

約数和(自身を除く): 89130600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 52, 55, 60, 65, 66, 72, 78, 88, 90, 99, 104, 110, 117, 120, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 264, 286, 312, 330, 360, 390, 396, 429, 440, 468, 495, 520, 572, 585, 613, 660, 715, 780, 792, 858, 936, 990, 1144, 1170, 1226, 1287, 1320, 1430, 1560, 1716, 1839, 1980, 2145, 2340, 2452, 2574, 2860, 3065, 3432, 3678, 3960, 4290, 4680, 4904, 5148, 5517, 5720, 6130, 6435, 6743, 7356, 7969, 8580, 9195, 10296, 11034, 12260, 12870, 13486, 14712, 15938, 17160, 18390, 20229, 22068, 23907, 24520, 25740, 26972, 27585, 31876, 33715, 36780, 39845, 40458, 44136, 47814, 51480, 53944, 55170, 60687, 63752, 67430, 71721, 73560, 79690, 80916, 87659, 95628, 101145, 110340, 119535, 121374, 134860, 143442, 159380, 161832, 175318, 191256, 202290, 220680, 239070, 242748, 262977, 269720, 286884, 303435, 318760, 350636, 358605, 404580, 438295, 478140, 485496, 525954, 573768, 606870, 701272, 717210, 788931, 809160, 876590, 956280, 1051908, 1213740, 1314885, 1434420, 1577862, 1753180, 2103816, 2427480, 2629770, 2868840, 3155724, 3506360, 3944655, 5259540, 6311448, 7889310, 10519080, 15778620, 31557240]

約数ペア:

[(1, 31557240), (2, 15778620), (3, 10519080), (4, 7889310), (5, 6311448), (6, 5259540), (8, 3944655), (9, 3506360), (10, 3155724), (11, 2868840), (12, 2629770), (13, 2427480), (15, 2103816), (18, 1753180), (20, 1577862), (22, 1434420), (24, 1314885), (26, 1213740), (30, 1051908), (33, 956280), (36, 876590), (39, 809160), (40, 788931), (44, 717210), (45, 701272), (52, 606870), (55, 573768), (60, 525954), (65, 485496), (66, 478140), (72, 438295), (78, 404580), (88, 358605), (90, 350636), (99, 318760), (104, 303435), (110, 286884), (117, 269720), (120, 262977), (130, 242748), (132, 239070), (143, 220680), (156, 202290), (165, 191256), (180, 175318), (195, 161832), (198, 159380), (220, 143442), (234, 134860), (260, 121374), (264, 119535), (286, 110340), (312, 101145), (330, 95628), (360, 87659), (390, 80916), (396, 79690), (429, 73560), (440, 71721), (468, 67430), (495, 63752), (520, 60687), (572, 55170), (585, 53944), (613, 51480), (660, 47814), (715, 44136), (780, 40458), (792, 39845), (858, 36780), (936, 33715), (990, 31876), (1144, 27585), (1170, 26972), (1226, 25740), (1287, 24520), (1320, 23907), (1430, 22068), (1560, 20229), (1716, 18390), (1839, 17160), (1980, 15938), (2145, 14712), (2340, 13486), (2452, 12870), (2574, 12260), (2860, 11034), (3065, 10296), (3432, 9195), (3678, 8580), (3960, 7969), (4290, 7356), (4680, 6743), (4904, 6435), (5148, 6130), (5517, 5720)]