1639851720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{6449}}^1$

素因数の和:6639

約数の個数: 128

約数和(自身を含む): 5331312000

約数和(自身を除く): 3691460280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 163, 195, 260, 312, 326, 390, 489, 520, 652, 780, 815, 978, 1304, 1560, 1630, 1956, 2119, 2445, 3260, 3912, 4238, 4890, 6357, 6449, 6520, 8476, 9780, 10595, 12714, 12898, 16952, 19347, 19560, 21190, 25428, 25796, 31785, 32245, 38694, 42380, 50856, 51592, 63570, 64490, 77388, 83837, 84760, 96735, 127140, 128980, 154776, 167674, 193470, 251511, 254280, 257960, 335348, 386940, 419185, 503022, 670696, 773880, 838370, 1006044, 1051187, 1257555, 1676740, 2012088, 2102374, 2515110, 3153561, 3353480, 4204748, 5030220, 5255935, 6307122, 8409496, 10060440, 10511870, 12614244, 13665431, 15767805, 21023740, 25228488, 27330862, 31535610, 40996293, 42047480, 54661724, 63071220, 68327155, 81992586, 109323448, 126142440, 136654310, 163985172, 204981465, 273308620, 327970344, 409962930, 546617240, 819925860, 1639851720]

約数ペア:

[(1, 1639851720), (2, 819925860), (3, 546617240), (4, 409962930), (5, 327970344), (6, 273308620), (8, 204981465), (10, 163985172), (12, 136654310), (13, 126142440), (15, 109323448), (20, 81992586), (24, 68327155), (26, 63071220), (30, 54661724), (39, 42047480), (40, 40996293), (52, 31535610), (60, 27330862), (65, 25228488), (78, 21023740), (104, 15767805), (120, 13665431), (130, 12614244), (156, 10511870), (163, 10060440), (195, 8409496), (260, 6307122), (312, 5255935), (326, 5030220), (390, 4204748), (489, 3353480), (520, 3153561), (652, 2515110), (780, 2102374), (815, 2012088), (978, 1676740), (1304, 1257555), (1560, 1051187), (1630, 1006044), (1956, 838370), (2119, 773880), (2445, 670696), (3260, 503022), (3912, 419185), (4238, 386940), (4890, 335348), (6357, 257960), (6449, 254280), (6520, 251511), (8476, 193470), (9780, 167674), (10595, 154776), (12714, 128980), (12898, 127140), (16952, 96735), (19347, 84760), (19560, 83837), (21190, 77388), (25428, 64490), (25796, 63570), (31785, 51592), (32245, 50856), (38694, 42380)]