639193486320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1801}}^1\times {\mathrm{15901}}^1$

素因数の和:17752

約数の個数: 240

約数和(自身を含む): 2217240539904

約数和(自身を除く): 1578047053584

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1801, 1860, 2232, 2480, 2790, 3602, 3720, 4464, 5403, 5580, 7204, 7440, 9005, 10806, 11160, 14408, 15901, 16209, 18010, 21612, 22320, 27015, 28816, 31802, 32418, 36020, 43224, 47703, 54030, 55831, 63604, 64836, 72040, 79505, 81045, 86448, 95406, 108060, 111662, 127208, 129672, 143109, 144080, 159010, 162090, 167493, 190812, 216120, 223324, 238515, 254416, 259344, 279155, 286218, 318020, 324180, 334986, 381624, 432240, 446648, 477030, 492931, 502479, 558310, 572436, 636040, 648360, 669972, 715545, 763248, 837465, 893296, 954060, 985862, 1004958, 1116620, 1144872, 1272080, 1296720, 1339944, 1431090, 1478793, 1674930, 1908120, 1971724, 2009916, 2233240, 2289744, 2464655, 2512395, 2679888, 2862180, 2957586, 3349860, 3816240, 3943448, 4019832, 4436379, 4466480, 4929310, 5024790, 5724360, 5915172, 6699720, 7393965, 7886896, 8039664, 8872758, 9858620, 10049580, 11448720, 11830344, 13399440, 14787930, 17745516, 19717240, 20099160, 22181895, 23660688, 28637701, 29575860, 35491032, 39434480, 40198320, 44363790, 57275402, 59151720, 70982064, 85913103, 88727580, 114550804, 118303440, 143188505, 171826206, 177455160, 229101608, 257739309, 286377010, 343652412, 354910320, 429565515, 458203216, 515478618, 572754020, 687304824, 859131030, 887768731, 1030957236, 1145508040, 1288696545, 1374609648, 1718262060, 1775537462, 2061914472, 2291016080, 2577393090, 2663306193, 3436524120, 3551074924, 4123828944, 4438843655, 5154786180, 5326612386, 6873048240, 7102149848, 7989918579, 8877687310, 10309572360, 10653224772, 13316530965, 14204299696, 15979837158, 17755374620, 20619144720, 21306449544, 26633061930, 31959674316, 35510749240, 39949592895, 42612899088, 53266123860, 63919348632, 71021498480, 79899185790, 106532247720, 127838697264, 159798371580, 213064495440, 319596743160, 639193486320]

約数ペア:

[(1, 639193486320), (2, 319596743160), (3, 213064495440), (4, 159798371580), (5, 127838697264), (6, 106532247720), (8, 79899185790), (9, 71021498480), (10, 63919348632), (12, 53266123860), (15, 42612899088), (16, 39949592895), (18, 35510749240), (20, 31959674316), (24, 26633061930), (30, 21306449544), (31, 20619144720), (36, 17755374620), (40, 15979837158), (45, 14204299696), (48, 13316530965), (60, 10653224772), (62, 10309572360), (72, 8877687310), (80, 7989918579), (90, 7102149848), (93, 6873048240), (120, 5326612386), (124, 5154786180), (144, 4438843655), (155, 4123828944), (180, 3551074924), (186, 3436524120), (240, 2663306193), (248, 2577393090), (279, 2291016080), (310, 2061914472), (360, 1775537462), (372, 1718262060), (465, 1374609648), (496, 1288696545), (558, 1145508040), (620, 1030957236), (720, 887768731), (744, 859131030), (930, 687304824), (1116, 572754020), (1240, 515478618), (1395, 458203216), (1488, 429565515), (1801, 354910320), (1860, 343652412), (2232, 286377010), (2480, 257739309), (2790, 229101608), (3602, 177455160), (3720, 171826206), (4464, 143188505), (5403, 118303440), (5580, 114550804), (7204, 88727580), (7440, 85913103), (9005, 70982064), (10806, 59151720), (11160, 57275402), (14408, 44363790), (15901, 40198320), (16209, 39434480), (18010, 35491032), (21612, 29575860), (22320, 28637701), (27015, 23660688), (28816, 22181895), (31802, 20099160), (32418, 19717240), (36020, 17745516), (43224, 14787930), (47703, 13399440), (54030, 11830344), (55831, 11448720), (63604, 10049580), (64836, 9858620), (72040, 8872758), (79505, 8039664), (81045, 7886896), (86448, 7393965), (95406, 6699720), (108060, 5915172), (111662, 5724360), (127208, 5024790), (129672, 4929310), (143109, 4466480), (144080, 4436379), (159010, 4019832), (162090, 3943448), (167493, 3816240), (190812, 3349860), (216120, 2957586), (223324, 2862180), (238515, 2679888), (254416, 2512395), (259344, 2464655), (279155, 2289744), (286218, 2233240), (318020, 2009916), (324180, 1971724), (334986, 1908120), (381624, 1674930), (432240, 1478793), (446648, 1431090), (477030, 1339944), (492931, 1296720), (502479, 1272080), (558310, 1144872), (572436, 1116620), (636040, 1004958), (648360, 985862), (669972, 954060), (715545, 893296), (763248, 837465)]