221338260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8599}}^1$

素因数の和:8638

約数の個数: 144

約数和(自身を含む): 788860800

約数和(自身を除く): 567522540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 2145, 2340, 2574, 2860, 4290, 5148, 6435, 8580, 8599, 12870, 17198, 25740, 25797, 34396, 42995, 51594, 77391, 85990, 94589, 103188, 111787, 128985, 154782, 171980, 189178, 223574, 257970, 283767, 309564, 335361, 378356, 386955, 447148, 472945, 515940, 558935, 567534, 670722, 773910, 851301, 945890, 1006083, 1117870, 1135068, 1229657, 1341444, 1418835, 1547820, 1676805, 1702602, 1891780, 2012166, 2235740, 2459314, 2837670, 3353610, 3405204, 3688971, 4024332, 4256505, 4918628, 5030415, 5675340, 6148285, 6707220, 7377942, 8513010, 10060830, 11066913, 12296570, 14755884, 17026020, 18444855, 20121660, 22133826, 24593140, 36889710, 44267652, 55334565, 73779420, 110669130, 221338260]

約数ペア:

[(1, 221338260), (2, 110669130), (3, 73779420), (4, 55334565), (5, 44267652), (6, 36889710), (9, 24593140), (10, 22133826), (11, 20121660), (12, 18444855), (13, 17026020), (15, 14755884), (18, 12296570), (20, 11066913), (22, 10060830), (26, 8513010), (30, 7377942), (33, 6707220), (36, 6148285), (39, 5675340), (44, 5030415), (45, 4918628), (52, 4256505), (55, 4024332), (60, 3688971), (65, 3405204), (66, 3353610), (78, 2837670), (90, 2459314), (99, 2235740), (110, 2012166), (117, 1891780), (130, 1702602), (132, 1676805), (143, 1547820), (156, 1418835), (165, 1341444), (180, 1229657), (195, 1135068), (198, 1117870), (220, 1006083), (234, 945890), (260, 851301), (286, 773910), (330, 670722), (390, 567534), (396, 558935), (429, 515940), (468, 472945), (495, 447148), (572, 386955), (585, 378356), (660, 335361), (715, 309564), (780, 283767), (858, 257970), (990, 223574), (1170, 189178), (1287, 171980), (1430, 154782), (1716, 128985), (1980, 111787), (2145, 103188), (2340, 94589), (2574, 85990), (2860, 77391), (4290, 51594), (5148, 42995), (6435, 34396), (8580, 25797), (8599, 25740), (12870, 17198)]