81707951880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3981869}}^1$

素因数の和:3981908

約数の個数: 128

約数和(自身を含む): 286694640000

約数和(自身を除く): 204986688120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520, 3981869, 7963738, 11945607, 15927476, 19909345, 23891214, 31854952, 35836821, 39818690, 47782428, 59728035, 71673642, 75655511, 79637380, 95564856, 107510463, 119456070, 143347284, 151311022, 159274760, 179184105, 215020926, 226966533, 238912140, 286694568, 302622044, 358368210, 378277555, 430041852, 453933066, 477824280, 537552315, 605244088, 680899599, 716736420, 756555110, 860083704, 907866132, 1075104630, 1134832665, 1361799198, 1433472840, 1513110220, 1815732264, 2042698797, 2150209260, 2269665330, 2723598396, 3026220440, 3404497995, 4085397594, 4300418520, 4539330660, 5447196792, 6808995990, 8170795188, 9078661320, 10213493985, 13617991980, 16341590376, 20426987970, 27235983960, 40853975940, 81707951880]

約数ペア:

[(1, 81707951880), (2, 40853975940), (3, 27235983960), (4, 20426987970), (5, 16341590376), (6, 13617991980), (8, 10213493985), (9, 9078661320), (10, 8170795188), (12, 6808995990), (15, 5447196792), (18, 4539330660), (19, 4300418520), (20, 4085397594), (24, 3404497995), (27, 3026220440), (30, 2723598396), (36, 2269665330), (38, 2150209260), (40, 2042698797), (45, 1815732264), (54, 1513110220), (57, 1433472840), (60, 1361799198), (72, 1134832665), (76, 1075104630), (90, 907866132), (95, 860083704), (108, 756555110), (114, 716736420), (120, 680899599), (135, 605244088), (152, 537552315), (171, 477824280), (180, 453933066), (190, 430041852), (216, 378277555), (228, 358368210), (270, 302622044), (285, 286694568), (342, 238912140), (360, 226966533), (380, 215020926), (456, 179184105), (513, 159274760), (540, 151311022), (570, 143347284), (684, 119456070), (760, 107510463), (855, 95564856), (1026, 79637380), (1080, 75655511), (1140, 71673642), (1368, 59728035), (1710, 47782428), (2052, 39818690), (2280, 35836821), (2565, 31854952), (3420, 23891214), (4104, 19909345), (5130, 15927476), (6840, 11945607), (10260, 7963738), (20520, 3981869)]