61487280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 240

約数和(自身を含む): 222842880

約数和(自身を除く): 161355600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 47, 48, 60, 69, 72, 79, 80, 90, 92, 94, 115, 120, 138, 141, 144, 158, 180, 184, 188, 207, 230, 235, 237, 240, 276, 282, 316, 345, 360, 368, 376, 395, 414, 423, 460, 470, 474, 552, 564, 632, 690, 705, 711, 720, 752, 790, 828, 846, 920, 940, 948, 1035, 1081, 1104, 1128, 1185, 1264, 1380, 1410, 1422, 1580, 1656, 1692, 1817, 1840, 1880, 1896, 2070, 2115, 2162, 2256, 2370, 2760, 2820, 2844, 3160, 3243, 3312, 3384, 3555, 3634, 3713, 3760, 3792, 4140, 4230, 4324, 4740, 5405, 5451, 5520, 5640, 5688, 6320, 6486, 6768, 7110, 7268, 7426, 8280, 8460, 8648, 9085, 9480, 9729, 10810, 10902, 11139, 11280, 11376, 12972, 14220, 14536, 14852, 16215, 16353, 16560, 16920, 17296, 18170, 18565, 18960, 19458, 21620, 21804, 22278, 25944, 27255, 28440, 29072, 29704, 32430, 32706, 33417, 33840, 36340, 37130, 38916, 43240, 43608, 44556, 48645, 51888, 54510, 55695, 56880, 59408, 64860, 65412, 66834, 72680, 74260, 77832, 81765, 85399, 86480, 87216, 89112, 97290, 109020, 111390, 129720, 130824, 133668, 145360, 148520, 155664, 163530, 167085, 170798, 178224, 194580, 218040, 222780, 256197, 259440, 261648, 267336, 297040, 327060, 334170, 341596, 389160, 426995, 436080, 445560, 512394, 534672, 654120, 668340, 683192, 768591, 778320, 853990, 891120, 1024788, 1280985, 1308240, 1336680, 1366384, 1537182, 1707980, 2049576, 2561970, 2673360, 3074364, 3415960, 3842955, 4099152, 5123940, 6148728, 6831920, 7685910, 10247880, 12297456, 15371820, 20495760, 30743640, 61487280]

約数ペア:

[(1, 61487280), (2, 30743640), (3, 20495760), (4, 15371820), (5, 12297456), (6, 10247880), (8, 7685910), (9, 6831920), (10, 6148728), (12, 5123940), (15, 4099152), (16, 3842955), (18, 3415960), (20, 3074364), (23, 2673360), (24, 2561970), (30, 2049576), (36, 1707980), (40, 1537182), (45, 1366384), (46, 1336680), (47, 1308240), (48, 1280985), (60, 1024788), (69, 891120), (72, 853990), (79, 778320), (80, 768591), (90, 683192), (92, 668340), (94, 654120), (115, 534672), (120, 512394), (138, 445560), (141, 436080), (144, 426995), (158, 389160), (180, 341596), (184, 334170), (188, 327060), (207, 297040), (230, 267336), (235, 261648), (237, 259440), (240, 256197), (276, 222780), (282, 218040), (316, 194580), (345, 178224), (360, 170798), (368, 167085), (376, 163530), (395, 155664), (414, 148520), (423, 145360), (460, 133668), (470, 130824), (474, 129720), (552, 111390), (564, 109020), (632, 97290), (690, 89112), (705, 87216), (711, 86480), (720, 85399), (752, 81765), (790, 77832), (828, 74260), (846, 72680), (920, 66834), (940, 65412), (948, 64860), (1035, 59408), (1081, 56880), (1104, 55695), (1128, 54510), (1185, 51888), (1264, 48645), (1380, 44556), (1410, 43608), (1422, 43240), (1580, 38916), (1656, 37130), (1692, 36340), (1817, 33840), (1840, 33417), (1880, 32706), (1896, 32430), (2070, 29704), (2115, 29072), (2162, 28440), (2256, 27255), (2370, 25944), (2760, 22278), (2820, 21804), (2844, 21620), (3160, 19458), (3243, 18960), (3312, 18565), (3384, 18170), (3555, 17296), (3634, 16920), (3713, 16560), (3760, 16353), (3792, 16215), (4140, 14852), (4230, 14536), (4324, 14220), (4740, 12972), (5405, 11376), (5451, 11280), (5520, 11139), (5640, 10902), (5688, 10810), (6320, 9729), (6486, 9480), (6768, 9085), (7110, 8648), (7268, 8460), (7426, 8280)]