18774991040

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1601}}^1\times {\mathrm{2819}}^1$

素因数の和:4450

約数の個数: 112

約数和(自身を含む): 48194183520

約数和(自身を除く): 29419192480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 1601, 2080, 2819, 3202, 4160, 5638, 6404, 8005, 11276, 12808, 14095, 16010, 20813, 22552, 25616, 28190, 32020, 36647, 41626, 45104, 51232, 56380, 64040, 73294, 83252, 90208, 102464, 104065, 112760, 128080, 146588, 166504, 180416, 183235, 208130, 225520, 256160, 293176, 333008, 366470, 416260, 451040, 512320, 586352, 666016, 732940, 832520, 902080, 1172704, 1332032, 1465880, 1665040, 2345408, 2931760, 3330080, 4513219, 5863520, 6660160, 9026438, 11727040, 18052876, 22566095, 36105752, 45132190, 58671847, 72211504, 90264380, 117343694, 144423008, 180528760, 234687388, 288846016, 293359235, 361057520, 469374776, 586718470, 722115040, 938749552, 1173436940, 1444230080, 1877499104, 2346873880, 3754998208, 4693747760, 9387495520, 18774991040]

約数ペア:

[(1, 18774991040), (2, 9387495520), (4, 4693747760), (5, 3754998208), (8, 2346873880), (10, 1877499104), (13, 1444230080), (16, 1173436940), (20, 938749552), (26, 722115040), (32, 586718470), (40, 469374776), (52, 361057520), (64, 293359235), (65, 288846016), (80, 234687388), (104, 180528760), (130, 144423008), (160, 117343694), (208, 90264380), (260, 72211504), (320, 58671847), (416, 45132190), (520, 36105752), (832, 22566095), (1040, 18052876), (1601, 11727040), (2080, 9026438), (2819, 6660160), (3202, 5863520), (4160, 4513219), (5638, 3330080), (6404, 2931760), (8005, 2345408), (11276, 1665040), (12808, 1465880), (14095, 1332032), (16010, 1172704), (20813, 902080), (22552, 832520), (25616, 732940), (28190, 666016), (32020, 586352), (36647, 512320), (41626, 451040), (45104, 416260), (51232, 366470), (56380, 333008), (64040, 293176), (73294, 256160), (83252, 225520), (90208, 208130), (102464, 183235), (104065, 180416), (112760, 166504), (128080, 146588)]