64940040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:105

約数の個数: 288

約数和(自身を含む): 248451840

約数和(自身を除く): 183511800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 23, 24, 30, 31, 33, 36, 40, 44, 45, 46, 55, 60, 62, 66, 69, 72, 88, 90, 92, 93, 99, 110, 115, 120, 124, 132, 138, 155, 165, 180, 184, 186, 198, 207, 220, 230, 248, 253, 264, 276, 279, 310, 330, 341, 345, 360, 372, 396, 414, 440, 460, 465, 495, 506, 529, 552, 558, 620, 660, 682, 690, 713, 744, 759, 792, 828, 920, 930, 990, 1012, 1023, 1035, 1058, 1116, 1240, 1265, 1320, 1364, 1380, 1395, 1426, 1518, 1587, 1656, 1705, 1860, 1980, 2024, 2046, 2070, 2116, 2139, 2232, 2277, 2530, 2645, 2728, 2760, 2790, 2852, 3036, 3069, 3174, 3410, 3565, 3720, 3795, 3960, 4092, 4140, 4232, 4278, 4554, 4761, 5060, 5115, 5290, 5580, 5704, 5819, 6072, 6138, 6348, 6417, 6820, 7130, 7590, 7843, 7935, 8184, 8280, 8556, 9108, 9522, 10120, 10230, 10580, 10695, 11160, 11385, 11638, 12276, 12696, 12834, 13640, 14260, 15180, 15345, 15686, 15870, 16399, 17112, 17457, 18216, 19044, 20460, 21160, 21390, 22770, 23276, 23529, 23805, 24552, 25668, 28520, 29095, 30360, 30690, 31372, 31740, 32085, 32798, 34914, 38088, 39215, 40920, 42780, 45540, 46552, 47058, 47610, 49197, 51336, 52371, 58190, 61380, 62744, 63480, 64170, 65596, 69828, 70587, 78430, 81995, 85560, 87285, 91080, 94116, 95220, 98394, 104742, 116380, 117645, 122760, 128340, 131192, 139656, 141174, 147591, 156860, 163990, 174570, 180389, 188232, 190440, 196788, 209484, 232760, 235290, 245985, 256680, 261855, 282348, 295182, 313720, 327980, 349140, 352935, 360778, 393576, 418968, 470580, 491970, 523710, 541167, 564696, 590364, 655960, 698280, 705870, 721556, 737955, 901945, 941160, 983940, 1047420, 1082334, 1180728, 1411740, 1443112, 1475910, 1623501, 1803890, 1967880, 2094840, 2164668, 2705835, 2823480, 2951820, 3247002, 3607780, 4329336, 5411670, 5903640, 6494004, 7215560, 8117505, 10823340, 12988008, 16235010, 21646680, 32470020, 64940040]

約数ペア:

[(1, 64940040), (2, 32470020), (3, 21646680), (4, 16235010), (5, 12988008), (6, 10823340), (8, 8117505), (9, 7215560), (10, 6494004), (11, 5903640), (12, 5411670), (15, 4329336), (18, 3607780), (20, 3247002), (22, 2951820), (23, 2823480), (24, 2705835), (30, 2164668), (31, 2094840), (33, 1967880), (36, 1803890), (40, 1623501), (44, 1475910), (45, 1443112), (46, 1411740), (55, 1180728), (60, 1082334), (62, 1047420), (66, 983940), (69, 941160), (72, 901945), (88, 737955), (90, 721556), (92, 705870), (93, 698280), (99, 655960), (110, 590364), (115, 564696), (120, 541167), (124, 523710), (132, 491970), (138, 470580), (155, 418968), (165, 393576), (180, 360778), (184, 352935), (186, 349140), (198, 327980), (207, 313720), (220, 295182), (230, 282348), (248, 261855), (253, 256680), (264, 245985), (276, 235290), (279, 232760), (310, 209484), (330, 196788), (341, 190440), (345, 188232), (360, 180389), (372, 174570), (396, 163990), (414, 156860), (440, 147591), (460, 141174), (465, 139656), (495, 131192), (506, 128340), (529, 122760), (552, 117645), (558, 116380), (620, 104742), (660, 98394), (682, 95220), (690, 94116), (713, 91080), (744, 87285), (759, 85560), (792, 81995), (828, 78430), (920, 70587), (930, 69828), (990, 65596), (1012, 64170), (1023, 63480), (1035, 62744), (1058, 61380), (1116, 58190), (1240, 52371), (1265, 51336), (1320, 49197), (1364, 47610), (1380, 47058), (1395, 46552), (1426, 45540), (1518, 42780), (1587, 40920), (1656, 39215), (1705, 38088), (1860, 34914), (1980, 32798), (2024, 32085), (2046, 31740), (2070, 31372), (2116, 30690), (2139, 30360), (2232, 29095), (2277, 28520), (2530, 25668), (2645, 24552), (2728, 23805), (2760, 23529), (2790, 23276), (2852, 22770), (3036, 21390), (3069, 21160), (3174, 20460), (3410, 19044), (3565, 18216), (3720, 17457), (3795, 17112), (3960, 16399), (4092, 15870), (4140, 15686), (4232, 15345), (4278, 15180), (4554, 14260), (4761, 13640), (5060, 12834), (5115, 12696), (5290, 12276), (5580, 11638), (5704, 11385), (5819, 11160), (6072, 10695), (6138, 10580), (6348, 10230), (6417, 10120), (6820, 9522), (7130, 9108), (7590, 8556), (7843, 8280), (7935, 8184)]